Planes in flight. The ship in the foreground is a C-46 transport, orig...
Picryl description: Public domain historical photo of Second World War, free to use, no copyright restrictions image.
Fort Knox. Machine guns. The .45 caliber Thompson sub-machine gun, fam...
Picryl description: Public domain image of a military person with a firearm, machine gun, free to use, no copyright restrictions.
Fort Knox. Machine guns. The .45 caliber Thompson sub-machine gun, fam...
Picryl description: Public domain image of a military person with a firearm, machine gun, free to use, no copyright restrictions.
Fort Knox. Machine guns. The .45 caliber Thompson sub-machine gun, fam...
Picryl description: Public domain image of a military person with a firearm, machine gun, free to use, no copyright restrictions.
Fort Knox. Machine guns. The .30 caliber machine gun is a powerful wea...
Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description
Citations of individual production merit awarded. The first five Citat...
Picryl description: Public domain historical photo of Washington DC during the First World War, free to use, no copyright restrictions image.
C.I.O. counsel hits A.F. of L. criticism of National Labor Relations b...
A black and white photo of two men sitting at a table. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description