The Library of Congress holds over 14.7 million prints and photographs in its collection. Nearly 170,000 images from the Farm Security Administration have been digitized and can be downloaded. One such photo from 1914 depicts suffragettes and socialists gathering for May Day in Union Square to celebrate International Workers' Day. While there is an extensive collection of digitized images available, the library can be cumbersome to navigate and metadata does not download with the files.

1. The Library of Congress

2. 14.7 million prints and photographic images.

3. There are 168,906 FSA images digitized and available for downloading.

31. Original caption: Suffragettes, Union Sq., May 2, 1914. Photo by Bain News Service, 1914

33. Socialists and labor unions gathering to celebrate May Day, also called International Workers’ Day

34. Pros: Extensive range and volume of images with many digitized for easy downloading. Cons: Can be cumbersome to navigate. Metadata/caption info does not download with the file.