A black and white photo of a woman sitting at a desk. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
Picryl description: Public domain image of girl workers, child labor, working children, economic conditions, free to use, no copyright restrictions.
Public domain photograph of 1930s industry, war production in the United States free to use, no copyright restrictions image - Picryl description
Picryl description: Public domain historical photo of Second World War, free to use, no copyright restrictions image.