Seaboard Airline Railway, Freight Depot, Front Avenue, 1200-1300 Block...
Significance: In 1902 the Seaboard Airline Railway built this freight terminal to serve the industries and businesses along Front Avenue. The building continued to function in that capacity until 1971. Since ... More
Benjamin Swan House, 37 Elm Street, Woodstock, Windsor County, VT
Significance: This house has remained in the family of the original owner, a prominent Vermont figure in early nineteenth century. Survey number: HABS VT-30 Building/structure dates: 1801 Initial Construction... More
Embrâsement déplorable de la machine aërostatique des Srs. Miolan et J...
Print shows the balloon of Abbé Miolan and Janinet on fire and billowing smoke while being inflated for an ascension on July 11, 1784 at the Luxembourg gardens in Paris. Abbé Miollan, as a cat, and Janinet, as ... More
Jacob Tome Institute, Monroe Hall, Tome Road, Port Deposit, Cecil Coun...
Significance: This finely scaled Georgian Revival building was one of the original Tome School buildings, used as dining hall and then a gymnasium during Tome School occupancy, later as an officers' club by the... More
Jacob Tome Institute, Monroe Hall, Tome Road, Port Deposit, Cecil Coun...
Significance: This finely scaled Georgian Revival building was one of the original Tome School buildings, used as dining hall and then a gymnasium during Tome School occupancy, later as an officers' club by the... More
Armour & Company Building, 100 Harris Avenue, Providence, Providence C...
Significance: Constructed in 1943, during the final phase of development for the Provisions Warehouse Historic District, the Armour & Company Building is the only contributing building in the district that was ... More
Columbus Railroad Company, Power Station, Eighteenth Street on Chattah...
Significance: This was the first central hydroelectric generating station in Columbus. From 1887-1906 it produced most of the electricity used for street, commercial and residential lighting, and for small pow... More
Columbus Railroad Company, Power Station, Eighteenth Street on Chattah...
Significance: This was the first central hydroelectric generating station in Columbus. From 1887-1906 it produced most of the electricity used for street, commercial and residential lighting, and for small pow... More
Boalsburg Tavern, Route 5, Boalsburg, Centre County, PA
Unprocessed Field note material exists for this structure: FN-14, FN-15, FN 16 Survey number: HABS PA-8-7 Building/structure dates: 1819 Initial Construction Building/structure dates: 1934 Subsequent Work
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
Cherokee Supreme Court Building, 130 East Keetoowah Street, Tahlequah,...
Significance: In 1844 the Cherokee National Government constructed its first permanent structure in the new Cherokee Nation at Tahlequah, which had been designated as the seat of government in 1839. This build... More
Cherokee Supreme Court Building, 130 East Keetoowah Street, Tahlequah,...
Significance: In 1844 the Cherokee National Government constructed its first permanent structure in the new Cherokee Nation at Tahlequah, which had been designated as the seat of government in 1839. This build... More
Warner Plaza, 28 Warner Plaza, Kansas City, Jackson County, MO
Survey number: HABS MO-1893-E Building/structure dates: 1926 Initial Construction
Warner Plaza, 28 Warner Plaza, Kansas City, Jackson County, MO
Survey number: HABS MO-1893-E Building/structure dates: 1926 Initial Construction
Sewall-Belmont House, 144 Constitution Avenue, Northeast, Washington, ...
Since March 2016, the house is the site of the Belmont-Paul Women's Equality National Monument. Significance: The Sewall-Belmont House, built ca. 1800 for Robert Sewall in the newly formed city of Washington, h... More
Sewall-Belmont House, 144 Constitution Avenue, Northeast, Washington, ...
Since March 2016, the house is the site of the Belmont-Paul Women's Equality National Monument. Significance: The Sewall-Belmont House, built ca. 1800 for Robert Sewall in the newly formed city of Washington, h... More
Sewall-Belmont House, 144 Constitution Avenue, Northeast, Washington, ...
Since March 2016, the house is the site of the Belmont-Paul Women's Equality National Monument. Significance: The Sewall-Belmont House, built ca. 1800 for Robert Sewall in the newly formed city of Washington, h... More
Sewall-Belmont House, 144 Constitution Avenue, Northeast, Washington, ...
Since March 2016, the house is the site of the Belmont-Paul Women's Equality National Monument. Significance: The Sewall-Belmont House, built ca. 1800 for Robert Sewall in the newly formed city of Washington, h... More
Sewall-Belmont House, 144 Constitution Avenue, Northeast, Washington, ...
Since March 2016, the house is the site of the Belmont-Paul Women's Equality National Monument. Significance: The Sewall-Belmont House, built ca. 1800 for Robert Sewall in the newly formed city of Washington, h... More
Sewall-Belmont House, 144 Constitution Avenue, Northeast, Washington, ...
Since March 2016, the house is the site of the Belmont-Paul Women's Equality National Monument. Significance: The Sewall-Belmont House, built ca. 1800 for Robert Sewall in the newly formed city of Washington, h... More
Sewall-Belmont House, 144 Constitution Avenue, Northeast, Washington, ...
Since March 2016, the house is the site of the Belmont-Paul Women's Equality National Monument. Significance: The Sewall-Belmont House, built ca. 1800 for Robert Sewall in the newly formed city of Washington, h... More
Sewall-Belmont House, 144 Constitution Avenue, Northeast, Washington, ...
Since March 2016, the house is the site of the Belmont-Paul Women's Equality National Monument. Significance: The Sewall-Belmont House, built ca. 1800 for Robert Sewall in the newly formed city of Washington, h... More
Springdale Bridge, Federal Aid Secondary Route 563, Springdale, Park C...
Significance: The bridge is significant for its associations with the development of transportation systems to accommodate settlement and tourism in the early 20th century; and as an example of the work of the ... More
Springdale Bridge, Federal Aid Secondary Route 563, Springdale, Park C...
Significance: The bridge is significant for its associations with the development of transportation systems to accommodate settlement and tourism in the early 20th century; and as an example of the work of the ... More
Cherokee National Capitol Building, 101-29 South Muskogee Avenue, Tahl...
Significance: The Cherokee National Capitol, completed and occupied by circa 1869, was constructed on the site which had served as the meeting place for the Cherokee Government since their arrival in Indian Ter... More
Cherokee National Capitol Building, 101-29 South Muskogee Avenue, Tahl...
Significance: The Cherokee National Capitol, completed and occupied by circa 1869, was constructed on the site which had served as the meeting place for the Cherokee Government since their arrival in Indian Ter... More
Mercantile Trust & Deposit Company, 200 East Redwood Street (Redwood &...
Significance: This building, erected in 1885, was designed by J.B. Noel Wyatt and Joseph Evans Sperry. Its exterior design is outstanding for the period in Baltimore. The significance of the Mercantile Safe De... More
Caln Friends Meeting House, Northeast corner of Kings Highway (Route 3...
Significance: Built in 1784 and extended in 1801, Caln Meeting House poses an unusual solution to the need to accommodate a quarterly meeting. The Caln Friends chose to expand their meeting space by adding onto... More
Caln Friends Meeting House, Northeast corner of Kings Highway (Route 3...
Significance: Built in 1784 and extended in 1801, Caln Meeting House poses an unusual solution to the need to accommodate a quarterly meeting. The Caln Friends chose to expand their meeting space by adding onto... More
Caln Friends Meeting House, Northeast corner of Kings Highway (Route 3...
Significance: Built in 1784 and extended in 1801, Caln Meeting House poses an unusual solution to the need to accommodate a quarterly meeting. The Caln Friends chose to expand their meeting space by adding onto... More
Picatinny Arsenal, State Route 15 near I-80, Dover, Morris County, NJ
Significance: Originally built as a depot for the storage of powder and other armaments, in the 20th century Picatinny Arsenal became a leading facility for the research and development and production of muniti... More
Picatinny Arsenal, State Route 15 near I-80, Dover, Morris County, NJ
Significance: Originally built as a depot for the storage of powder and other armaments, in the 20th century Picatinny Arsenal became a leading facility for the research and development and production of muniti... More
Picatinny Arsenal, State Route 15 near I-80, Dover, Morris County, NJ
Significance: Originally built as a depot for the storage of powder and other armaments, in the 20th century Picatinny Arsenal became a leading facility for the research and development and production of muniti... More
Picatinny Arsenal, State Route 15 near I-80, Dover, Morris County, NJ
Significance: Originally built as a depot for the storage of powder and other armaments, in the 20th century Picatinny Arsenal became a leading facility for the research and development and production of muniti... More
Picatinny Arsenal, State Route 15 near I-80, Dover, Morris County, NJ
Significance: Originally built as a depot for the storage of powder and other armaments, in the 20th century Picatinny Arsenal became a leading facility for the research and development and production of muniti... More
Stripping a rail fence for fires
Signed lower right: A.R.W. Title inscribed below image. Gift, J.P. Morgan, 1919 (DLC/PP-1919:R1.2.175) Reference print available in Ray, Plate 38 (p. 116). Forms part of: Morgan collection of Civil War drawings.
Thompson Building, 163-167 East Main Street (Lincoln Highway), Coatesv...
Written data includes sketched floor plans. Significance: The Thompson Building was a commercial structure, with retail space, offices and a school, built for banker John W. Thompson. It is a handsome transitio... More
Thompson Building, 163-167 East Main Street (Lincoln Highway), Coatesv...
Written data includes sketched floor plans. Significance: The Thompson Building was a commercial structure, with retail space, offices and a school, built for banker John W. Thompson. It is a handsome transitio... More
Tracy Building, 532-527 French Street, Erie, Erie County, PA
Written data includes a site plan. Significance: Site was purchased in 1826 by John A. Tracy, who erected a wooden commercial and residential building that was replaced after a fire by a brick commercial struct... More
Tracy Building, 532-527 French Street, Erie, Erie County, PA
Written data includes a site plan. Significance: Site was purchased in 1826 by John A. Tracy, who erected a wooden commercial and residential building that was replaced after a fire by a brick commercial struct... More
Lobdell Car Wheel Company, Christina Avenue, Wilmington, New Castle Co...
Significance: An important example of heavy industry in Delaware, and at one time, the largest manufacturer of chilled cast-iron wheels in the United States. Survey number: HAER DE-15 Building/structure dates... More
Arney's Mount Friends Meeting House, Southwest corner of Juliustown & ...
Significance: Arney's Mount Friends Meeting House, erected of local Bog Iron stone between 1775 and 1776, represents a particularly domestic-looking meeting house form. The development of this form was likely a... More
Arney's Mount Friends Meeting House, Southwest corner of Juliustown & ...
Significance: Arney's Mount Friends Meeting House, erected of local Bog Iron stone between 1775 and 1776, represents a particularly domestic-looking meeting house form. The development of this form was likely a... More
Arney's Mount Friends Meeting House, Southwest corner of Juliustown & ...
Significance: Arney's Mount Friends Meeting House, erected of local Bog Iron stone between 1775 and 1776, represents a particularly domestic-looking meeting house form. The development of this form was likely a... More
Arney's Mount Friends Meeting House, Southwest corner of Juliustown & ...
Significance: Arney's Mount Friends Meeting House, erected of local Bog Iron stone between 1775 and 1776, represents a particularly domestic-looking meeting house form. The development of this form was likely a... More
Flora Cluston House, North side of Route 664, approximately 775 feet E...
Photo caption pages & written data include site & floor plans. Significance: The early 20th century Flora Cluston House is significant as an intact example of an urban rowhouse form within the 19th century vern... More
Baltimore Trust Company Building, 10 Light Street, Baltimore, Independ...
Significance: Baltimore's only "setback" skyscraper, the Baltimore Trust Building is a fine example of the Art Deco commercial style in America. The interior features mosaics by Hildreth Meiere, who designed ma... More
Baltimore Trust Company Building, 10 Light Street, Baltimore, Independ...
Significance: Baltimore's only "setback" skyscraper, the Baltimore Trust Building is a fine example of the Art Deco commercial style in America. The interior features mosaics by Hildreth Meiere, who designed ma... More
Abolition Church, 8 Smith Court, Boston, Suffolk County, MA
Public domain photograph of court building, free to use, no copyright restrictions image - Picryl description
Vermont State House, State Street at Western Avenue, Montpelier, Washi...
Survey number: HABS VT-68 Building/structure dates: 1838 Initial Construction Building/structure dates: 1857 Subsequent Work Building/structure dates: 1859 Subsequent Work National Register of Historic Plac... More
Rogers Locomotive & Machine Works, Fitting Shop, Spruce & Market Stree...
Significance: This Fitting Shop was constructed as part of a modernization project undertaken in 1881 by the Rogers Locomotive and Machine Works. All the firm's land on the east side of Spruce Street had been ... More
Westminster Rescue Mission, Railroad Avenue & Winters Street, Westmins...
Significance: The original use of the structure was as an automobile garage and repair shop, which then became an automobile dealership at unknown time. The structure was also used as a food processing facilit... More
Westernport Public School, West side Hammond Street south of Division ...
Significance: The Westernport School later known as the Hammond Street School is significant for its role in the education of generations of children from southwestern Allegany County and southeastern Garrett C... More
Westernport Public School, West side Hammond Street south of Division ...
Significance: The Westernport School later known as the Hammond Street School is significant for its role in the education of generations of children from southwestern Allegany County and southeastern Garrett C... More
Baltimore & Ohio Railroad Company Headquarters Building, 2 North Charl...
Significance: Historically, this structure was the headquarters of the Baltimore and Ohio (B&O) Railroad. The B&O was significant not only as America's first railroad (founded 1827) but also as the pre-eminent ... More
Baltimore & Ohio Railroad Company Headquarters Building, 2 North Charl...
Significance: Historically, this structure was the headquarters of the Baltimore and Ohio (B&O) Railroad. The B&O was significant not only as America's first railroad (founded 1827) but also as the pre-eminent ... More
Kluge House, 540 West Main Street, Helena, Lewis and Clark County, MT
Public domain scan of an architecture diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.
Kluge House, 540 West Main Street, Helena, Lewis and Clark County, MT
Public domain scan of an architecture diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.
Philip Pry Farm, House, Boonsboro Pike (SR 34), Sharpsburg, Washington...
Significance: The Pry House derives its significance from both the historical implications of its role in the Civil War Battle of Antietam, and from the architectural significance of its mid-nineteenth century ... More
Philip Pry Farm, House, Boonsboro Pike (SR 34), Sharpsburg, Washington...
Significance: The Pry House derives its significance from both the historical implications of its role in the Civil War Battle of Antietam, and from the architectural significance of its mid-nineteenth century ... More
Philip Pry Farm, House, Boonsboro Pike (SR 34), Sharpsburg, Washington...
Significance: The Pry House derives its significance from both the historical implications of its role in the Civil War Battle of Antietam, and from the architectural significance of its mid-nineteenth century ... More
Philip Pry Farm, House, Boonsboro Pike (SR 34), Sharpsburg, Washington...
Significance: The Pry House derives its significance from both the historical implications of its role in the Civil War Battle of Antietam, and from the architectural significance of its mid-nineteenth century ... More
Philip Pry Farm, House, Boonsboro Pike (SR 34), Sharpsburg, Washington...
Significance: The Pry House derives its significance from both the historical implications of its role in the Civil War Battle of Antietam, and from the architectural significance of its mid-nineteenth century ... More
Eagle & Phenix Mills, Front Street (1200-1300 Blocks), Columbus, Musco...
STORED OFF SITE AND ON SITE. mchr Significance: From its inception in 1851 the dynamic growth of the Eagle Mill represented the most important factor in Columbus's industrial development. In 1860 the Eagle Mil... More
Eagle & Phenix Mills, Front Street (1200-1300 Blocks), Columbus, Musco...
STORED OFF SITE AND ON SITE. mchr Significance: From its inception in 1851 the dynamic growth of the Eagle Mill represented the most important factor in Columbus's industrial development. In 1860 the Eagle Mil... More
Eagle & Phenix Mills, Front Street (1200-1300 Blocks), Columbus, Musco...
STORED OFF SITE AND ON SITE. mchr Significance: From its inception in 1851 the dynamic growth of the Eagle Mill represented the most important factor in Columbus's industrial development. In 1860 the Eagle Mil... More
Eagle & Phenix Mills, Front Street (1200-1300 Blocks), Columbus, Musco...
STORED OFF SITE AND ON SITE. mchr Significance: From its inception in 1851 the dynamic growth of the Eagle Mill represented the most important factor in Columbus's industrial development. In 1860 the Eagle Mil... More
Eagle & Phenix Mills, Front Street (1200-1300 Blocks), Columbus, Musco...
STORED OFF SITE AND ON SITE. mchr Significance: From its inception in 1851 the dynamic growth of the Eagle Mill represented the most important factor in Columbus's industrial development. In 1860 the Eagle Mil... More
Anglican Church, 27 King Street, Christiansted, St. Croix, VI
Significance: The English Gothic Revival details of this church distinguish it in appearance from the Danish and Moravian churches of the island. Survey number: HABS VI-21 Building/structure dates: 1849 Initi... More
Anglican Church, 27 King Street, Christiansted, St. Croix, VI
Significance: The English Gothic Revival details of this church distinguish it in appearance from the Danish and Moravian churches of the island. Survey number: HABS VI-21 Building/structure dates: 1849 Initi... More
Lockport Historic District, Bounded by Eighth, Hamilton & Eleventh Str...
Significance: The Village of Lockport was first established in 1836 by the surveyors of the Illinois and Michigan Canal to serve as field headquarters and as a supply point. As the 19th century progressed, Loc... More
Lockport Historic District, Bounded by Eighth, Hamilton & Eleventh Str...
Significance: The Village of Lockport was first established in 1836 by the surveyors of the Illinois and Michigan Canal to serve as field headquarters and as a supply point. As the 19th century progressed, Loc... More
Columbus Iron Works, Front Avenue between Eighth & Tenth Streets, Colu...
Significance: For over a century (1853-1965) the Columbus Iron works supplied the city and surrounding area with a wide assortment of cast iron goods, agricultural implements, industrial and building supplies, ... More
Columbus Iron Works, Front Avenue between Eighth & Tenth Streets, Colu...
Significance: For over a century (1853-1965) the Columbus Iron works supplied the city and surrounding area with a wide assortment of cast iron goods, agricultural implements, industrial and building supplies, ... More
Columbus Iron Works, Front Avenue between Eighth & Tenth Streets, Colu...
Significance: For over a century (1853-1965) the Columbus Iron works supplied the city and surrounding area with a wide assortment of cast iron goods, agricultural implements, industrial and building supplies, ... More
Mumma Farm, House, Smoketown Road, Sharpsburg, Washington County, MD
Unprocessed Field note material exists for this structure: FN-141 Survey number: HABS MD-950-A Building/structure dates: ca. 1790 Initial Construction Building/structure dates: 1862 Demolished Building/stru... More
Mumma Farm, House, Smoketown Road, Sharpsburg, Washington County, MD
Unprocessed Field note material exists for this structure: FN-141 Survey number: HABS MD-950-A Building/structure dates: ca. 1790 Initial Construction Building/structure dates: 1862 Demolished Building/stru... More
Mumma Farm, House, Smoketown Road, Sharpsburg, Washington County, MD
Unprocessed Field note material exists for this structure: FN-141 Survey number: HABS MD-950-A Building/structure dates: ca. 1790 Initial Construction Building/structure dates: 1862 Demolished Building/stru... More
Mumma Farm, House, Smoketown Road, Sharpsburg, Washington County, MD
Unprocessed Field note material exists for this structure: FN-141 Survey number: HABS MD-950-A Building/structure dates: ca. 1790 Initial Construction Building/structure dates: 1862 Demolished Building/stru... More
Burlington Northern Railroad Bridge, Spanning Willamette River at Rive...
Significance: Willamette River Bridge 5.1 is the south end part of a 4-3/4 mile-long network of railroad bridges, causeways, and cut system linking the mainlines north and south of Portland. The bridge is one ... More
Burlington Northern Railroad Bridge, Spanning Willamette River at Rive...
Significance: Willamette River Bridge 5.1 is the south end part of a 4-3/4 mile-long network of railroad bridges, causeways, and cut system linking the mainlines north and south of Portland. The bridge is one ... More
Burlington Northern Railroad Bridge, Spanning Willamette River at Rive...
Significance: Willamette River Bridge 5.1 is the south end part of a 4-3/4 mile-long network of railroad bridges, causeways, and cut system linking the mainlines north and south of Portland. The bridge is one ... More
Burlington Northern Railroad Bridge, Spanning Willamette River at Rive...
Significance: Willamette River Bridge 5.1 is the south end part of a 4-3/4 mile-long network of railroad bridges, causeways, and cut system linking the mainlines north and south of Portland. The bridge is one ... More
Burlington Northern Railroad Bridge, Spanning Willamette River at Rive...
Significance: Willamette River Bridge 5.1 is the south end part of a 4-3/4 mile-long network of railroad bridges, causeways, and cut system linking the mainlines north and south of Portland. The bridge is one ... More
Burlington Northern Railroad Bridge, Spanning Willamette River at Rive...
Significance: Willamette River Bridge 5.1 is the south end part of a 4-3/4 mile-long network of railroad bridges, causeways, and cut system linking the mainlines north and south of Portland. The bridge is one ... More
Pearle Cotton Mill & Dam, Elbert County Road 245, Elberton, Elbert Cou...
Significance: The Pearle Cotton Mill is an industrial archeological site that once served as the focus of a mill village known as Beverly, Georgia. The factory was built in 1895 by Thomas M. Swift of Elberton,... More
Pearle Cotton Mill & Dam, Elbert County Road 245, Elberton, Elbert Cou...
Significance: The Pearle Cotton Mill is an industrial archeological site that once served as the focus of a mill village known as Beverly, Georgia. The factory was built in 1895 by Thomas M. Swift of Elberton,... More
Pearle Cotton Mill & Dam, Elbert County Road 245, Elberton, Elbert Cou...
Significance: The Pearle Cotton Mill is an industrial archeological site that once served as the focus of a mill village known as Beverly, Georgia. The factory was built in 1895 by Thomas M. Swift of Elberton,... More
Pearle Cotton Mill & Dam, Elbert County Road 245, Elberton, Elbert Cou...
Significance: The Pearle Cotton Mill is an industrial archeological site that once served as the focus of a mill village known as Beverly, Georgia. The factory was built in 1895 by Thomas M. Swift of Elberton,... More
Pearle Cotton Mill & Dam, Elbert County Road 245, Elberton, Elbert Cou...
Significance: The Pearle Cotton Mill is an industrial archeological site that once served as the focus of a mill village known as Beverly, Georgia. The factory was built in 1895 by Thomas M. Swift of Elberton,... More
Armour, Swift, Burlington Bridge, Kansas City, Jackson County, MO
Public domain scan of the book page, free to use, no copyright restrictions image - Picryl description
Armour, Swift, Burlington Bridge, Kansas City, Jackson County, MO
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Armour, Swift, Burlington Bridge, Kansas City, Jackson County, MO
Public domain photograph of construction architecture design, diagram, free to use, no copyright restrictions image - Picryl description
Armour, Swift, Burlington Bridge, Kansas City, Jackson County, MO
Public domain photograph of construction architecture design, diagram, free to use, no copyright restrictions image - Picryl description
Water Power Development at Falls of Chattahoochee, Chattahoochee River...
Significance: As the Chattahoochee crosses the fall line at Columbus, Georgia, it falls 125 feet within 2 1/2 miles producing a potential energy of between 66,000 and 99,000 horsepower. That water power made C... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More