EVB2943753: Roadside migrant camp behind, 'Grapes of Wrath,' billboard, April 1940 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

IMA240664: Filipinos Cutting Lettuce, Salinas, California, 1935 (gelatin silver print), Lange, Dorothea (1895-1965) / Indianapolis Museum of Art at Newfields, USA / Bridgeman Images

EVB2944102: Store near a San Joaquin Valley shack town community of migrant workers, April 9th 1940 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

CH1197660: Migrant Worker, 1938 and 1940 (gelatin silver print), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

NYL416170: Young girl, cotton picker, 1941 (b/w photo), Lange, Dorothea (1895-1965) / New York Public Library, USA / Bridgeman Images

XOS1249100: Old man, Washington, Pennsylvania, 1936 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

EVB2943760: Depression era migrant cotton picker, Eloy, Arizona, November 1940 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

PNP329544: Wife of a migratory farmer in her makeshift tent home, 1937 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS1249082: New homes for families at Mineral King Cooperative Farm on the site of an old ranch. Tulare County, California.1939 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

EVB2943770: Unemployed men wait in line to file Social Security benefit claims, California, 1938 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

EVB2944408: Young Japanese American celery grower holds documents to will lease his farm, San Jose, California, 27th March 1942 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3710083: Street hawker selling Consumer's Bureau Guide in New York City, 1939 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS1249080: Tobacco auction in Douglas, Georgia, 1938 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3696973: Abandoned Farm in the Dustbowl, Coldwater District, near Dalhart, Texas, 1938 (gelatin silver print), Lange, Dorothea (1895-1965) / Metropolitan Museum of Art, New York, USA / Bridgeman Images

XOS3697001: Caddo, Oklahoma, 1938 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3697019: Child living in Oklahoma City shacktown, 1936 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3738846: The town of Caddo, Oklahoma, 1938 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3738852: Irrigation pumping plant being developed by the Farm Security Administration Rural Rehabilitation Program in California, 1938 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3738690: Amalgamated Sugar Company factory, Nyssa, Oregon at start of second beet season, 1939 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3738789: Shacktown communities around Yakima, 1939 (b/w photo) , Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3738709: Texas tenant farmers who have been displaced from their land by tractor farming, 1937 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3700880: Picketing Macy's department store in New York, 1936 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3696974: Migrant Pea Picker's Makeshift Home, Nipomo, California, 1936 (gelatin silver print), Lange, Dorothea (1895-1965) / Metropolitan Museum of Art, New York, USA / Bridgeman Images

XOS3738696: Ex-Nebraska farmer now developing farm in Idaho, 1939 (b/w photo) , Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3710104: Drinking water for the whole town of Tulelake, California, 1939 (b/w photo) , Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3710084: General view of a hillside farm in North Carolina, 1939 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

HST2908857: Six Lettuce Pickers, 1935 (gelatin silver print, printed c.1965), Lange, Dorothea (1895-1965) / Museum of Fine Arts, Houston, Texas, USA / Bridgeman Images

NYL416167: The Woman called 'Queen' on a Sunday morning at church time, North Carolina, 1939 (b/w photo), Lange, Dorothea (1895-1965) / New York Public Library, USA / Bridgeman Images

ALM869784: Unemployed, Howard Street, San Francisco, February 1939, 1939 (gelatin silver print), Lange, Dorothea (1895-1965) / Allen Memorial Art Museum, Oberlin College, Ohio, USA / Bridgeman Images

XOS5244621: Across Natomas Levee, Sacramento, Sacramento County, California. Disasters of shacktown communities, 19th February 1940 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3710064: Tractor driver's house near Memphis, Texas, 1937 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3710070: Heads of families on the Mineral King cooperative farm, Tulare County, California, 1938 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3710085: A grocery window, 1939 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3710088: Migratory woman, originally from Texas, 1939 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3710108: Hay derrick in Oregon, 1939 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3738883: Interior of eastern Oregon one-room county school, 1939 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images