Public domain historical photo, free to use, no copyright restrictions image - Picryl description
Public domain photograph - historical image of Russian Empire, free to use, no copyright restrictions image - Picryl description
Public domain photograph of Russian Empire, color separation negatives, by Prokudin Gorsky, free to use, no copyright restrictions image - Picryl description
Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description
