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

XOS1249100: Old man, Washington, Pennsylvania, 1936 (b/w photo), 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

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

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

EVB2943760: Depression era migrant cotton picker, Eloy, Arizona, November 1940 (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

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

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

XOS3738846: The town of Caddo, Oklahoma, 1938 (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

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

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

EVB2944412: Japanese-American Mochida family wear identification tags while awaiting evacuation bus, 8th May 1942 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS1249084: Worming the tobacco, Wake County, North Carolina, 1939 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS1249086: Oklahoma squatter's family, Riverside County, California, 1935 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS1249087: Migrant family with their belongings on a truck, San Joaquin Valley, California,1935 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS1249089: Son of destitute migrant, American River camp, near Sacramento, California, 1936 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS1249097: Part of an impoverished family of nine from Iowa on a New Mexico highway, 1936 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3738860: Migrant worker in a railway car, 1939 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3738865: Migrant woman from Arkansas living in contractor's camp near Westley, California, 1939 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3738724: Center Market in Washington, D.C., 1936 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3738758: Inspecting a freight train from Mexico for smuggled immigrants in El Paso, Texas, 1938 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3738781: Tobacco flower in North Carolina, 1939 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3738788: Roza Irrigation Canal in Washington State, 1939 (b/w photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3710046: Drought farmers in Oklahoma, 1936 (b/e photo), Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3710056: Date palms, California, 1937 (b/w photo) , Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images

XOS3710057: Date palms, California, 1937 (b/w photo) , Lange, Dorothea (1895-1965) / Private Collection / Bridgeman Images