JO8624 U.S. Copyright Office. No. C 20599. Copyright by Irving Underhill, Inc., N.Y.C.
H17773 U.S. Copyright Office. Copyright by Irving Underhill, photographer, New York.
Side view of the Flatiron Building. H30128 U.S. Copyright Office. Copyright by Irving Underhill, 17 Park Place, N.Y. City.
H32272 U.S. Copyright Office. Copyright by Irving Underhill, New York. Public domain photograph of New York skyscraper building, free to use, no copyright restrictions image - Picryl description
H42174 U.S. Copyright Office. Copyright by Irving Underhill, New York. Public domain photograph - city, downtown, United States, free to use, no copyright restrictions image - Picryl description
H43752 U.S. Copyright Office. Probably copyrighted by Irving Underhill, N.Y. Public domain photograph - New York, United States, free to use, no copyright restrictions image - Picryl description
View of the Flatiron Building, showing pedestrians, carriages, trolley and mounted policeman on street. H65872 U.S. Copyright Office. No. D-308. Copyright by Irving Underhill, New York.
Aerial view of Columbia University buildings, New York City, with tennis courts in foreground. H85493 U.S. Copyright Office. Copyright by Irving Underhill, New York. No. D. 372.
View of buildings at Broadway and Battery Park. H111803 U.S. Copyright Office. No. C 6613. Copyright by Irving Underhill, New York.
H110082 U.S. Copyright Office. No. C-6372. Public domain photograph - city, downtown, New York, United States, free to use, no copyright restrictions image - Picryl description
H112632 U.S. Copyright Office. Copyright by Irving Underhill, New York. No. D-413.
View of City Investing Building and surrounding buildings with Singer Building tower in background. H125883 U.S. Copyright Office. No. E423. Copyright by Irving Underhill, 18 Park Place, N.Y.
J132123 U.S. Copyright Office. No. D484. Copyright by Irving Underhill, New York.
JA44135 U.S. Copyright Office. No. C 7799. Copyright by Irving Underhill, New York.
J145963 U.S. Copyright Office. No. D 517. Copyright by Irving Underhill, New York.
J141270 U.S. Copyright Office. No. B 16277. Copyright by Irving Underhill, New York.
JA44357 U.S. Copyright Office. Probably copyrighted by Irving Underhill, N.Y. Public domain photograph - New York City skyscraper, downtown, United States, free to use, no copyright restrictions image - Picryl More
J157000 U.S. Copyright Office. Copyright by Irving Underhill, N.Y. No. B 17631.
View of the Whitehall Buildings showing delivery wagons, piers and street railroad at Battery Place station. J154812 U.S. Copyright Office. No. D-545. Copyright by Irving Underhill, New York.
J177068 U.S. Copyright Office. No. C 9106. Copyright by Irving Underhill, N.Y.
JA44504 U.S. Copyright Office. No. B 19240. Copyright by Irving Underhill, N.Y.
View of buildings with automobiles and carriages on street. J177069 U.S. Copyright Office. No. C-9107. Copyright by Irving Underhill, N.Y.
J169010 U.S. Copyright Office. Public domain image of New York City buildings, cityscape, free to use, no copyright restrictions image - Picryl description
JA44504 U.S. Copyright Office. No. C 9052. Copyright by Irving Underhill, N.Y.
Woolworth Building under construction, New York City, Feb. 2, 1912. J166804 U.S. Copyright Office. Photographed & Copyright by Irving Underhill.
View of Hanover National Bank building, corner of Wall and Nassau streets, showing construction site in lower right foreground. J176806 U.S. Copyright Office. No. E560. Copyright by Irving Underhill, New York.
J179649 U.S. Copyright Office. Copyright by Irving Underhill, N.Y. No. C 9266.
J178595 U.S. Copyright Office. No. C 9213. Copyright by Irving Underhill, N.Y.
New York City. J193919 U.S. Copyright Office. No. B20934. Public domain photograph of shopping center, department store building, free to use, no copyright restrictions image - Picryl description
J193915 U.S. Copyright Office. Copyright by Irving Underhill, N.Y. Public domain photograph - New York City, downtown, United States, free to use, no copyright restrictions image - Picryl description
Street view, New York City. J193912 U.S. Copyright Office. Copyright by Irving Underhill, N.Y. No. C 10046.
JA44944 U.S. Copyright Office. No. C 10659. Copyright by Irving Underhill, N.Y.
JA45907 U.S. Copyright Office. No. C 11506. Copyright by Irving Underhill, N.Y.
J243054 U.S. Copyright Office. No. C 14055. Copyright by Irving Underhill, N.Y.C.
View of Seaboard National Bank, corner of Wall and Broad streets, showing automobiles and pedestrians on street. J259169 U.S. Copyright Office. No. D857. Copyright by Irving Underhill, New York.
J270628 or J270629 U.S. Copyright Office. Copyright Office register lists as 270626. Copyright by Irving Underhill, N.Y.C. No. B 43805.
J9601 U.S. Copyright Office. No. B56739(?). Copyright by Irving Underhill, Inc.
J10636 U.S. Copyright Office. Copyright by Irving Underhill, Inc., N.Y.C. No. B 57595C.
J48055 U.S. Copyright Office. No. B 61173. Copyright by Irving Underhill, N.Y.
View of Fifth Avenue, New York City, looking north toward 56th Street, showing pedestrians and traffic. J19862 U.S. Copyright Office. Copyright by Irving Underhill, Inc., New York. No. C.21527.
View of West Street Building, with men working at street level on street railroad(?) tracks, and horse drawn carts of construction equipment, New York City. H93389 U.S. Copyright Office. No. B11644. Copyright b More
Photograph shows the Park Row Building, New York City, with trolleys and automobiles on street. J175982 U.S. Copyright Office. No. B19206. Copyright by Irving Underhill, N. Y.
Shows building; sign above entrance reads National Surety Company. J259163 U.S. Copyright Office. Copyright by Irving Underhill, NYC. No. C 15524.
J11372 U.S. Copyright Office. No. B 57980. Copyright by Irving Underhill, Inc., New York.
J249000 U.S. Copyright Office. Copyright by Irving Underhill, N.Y.C. No. C 14728.
H112633 U.S. Copyright Office. Copyright by Irving Underhill, New York. No. C 6662.
J247574 U.S. Copyright Office. Copyright by Irving Underhill, N.Y.C. No. C 13461.
JA46013 U.S. Copyright Office. Copyright by Irving Underhill, N.Y.C. No. C 13435.
J212010 U.S. Copyright Office. Copyright by Irving Underhill, N.Y. No. C 10580.