• Photographe : Dorotha Lange.
• Farm Security Administration – Office of War Information Photograph Collection.
• Library of Congress.
• http://www.loc.gov/pictures/item/fsa2000004525/PP/
• Photographe : Dorotha Lange.
• Farm Security Administration – Office of War Information Photograph Collection.
• Library of Congress.
• http://www.loc.gov/pictures/item/fsa2000004525/PP/