These  photos from the Great Depression and World War II capture an era generally seen only in black-and-white. Photographers working for the United States Farm Security Administration (FSA) and later the Office of War Information (OWI) created the images between 1939 and 1944.

U.S. Farm Security Administration/Office of War Information 
Rights and Restrictions Information
Prints and Photographs Division, Library of Congress, Washington, D.C., 20540-4730

Photographs in this filing series (LC-USF35 and LC-USW36) are considered to be in the public domain. However, privacy and publicity rights may apply. 
Access: Permitted; subject to P&P policy on serving originals. 
Reproduction (photocopying, hand-held camera copying, photoduplication and other forms of copying allowed by "fair use"): Permitted; subject to P&P policy on copying. 
Publication and other forms of distribution: Permitted. Photographs in this filing series were taken by photographers working for the U.S. Government. Works created by the U.S. Government are not eligible for copyright protection (see page 5 of the Copyright Office's Circular 1, "Copyright Basics"). The images are, therefore, considered to be in the public domain. However, privacy and publicity rights may apply. 
Credit Line: Library of Congress, Prints & Photographs Division, FSA-OWI Collection, [reproduction number, e.g., LC-USF35-1326] 
For more information, please read: Copyright and Other Restrictions: ... Sources for Information