Here's a great resource for anyone interested in, teaching or studying American social history.
American Social History:
Aquifer American Social History Online - Find and use 19th and 20th century primary resources from unique historical digital collections.
- search diverse digital content from 175 American Social History research collections
- find more than 514,708 digitized objects in 9 formats, including images (photographs and cultural materials), books and pamphlets, journal articles, maps, sheet music, videos, data sets, political cartoons and posters, and oral histories
- collect, manage, and cite the digital sources you find with Zotero
Aquifer American Social History Online is a research project of the Digital Library Federation and is focused on finding, gathering, and collecting distributed and disparate scholarly content in American Social History.