The University of Winconsin has a digital version of the Foreign Relations of the United States series from 1861-1960 and consist of 373 volumes about American foreign policy during the period beginning with the administration of Abraham Lincoln in 1861.
It's very a very user friendly collection, it is possible in every volume to search for specific words or phrases. And every volume has a well-arranged list of contents, which gives a general view of the different topics in each volume.
This amazing FRUS collection of documents is an indispensable tool for the student of U.S. foreign policy and is available at:
The FRUS series:
http://libtext-dev.library.wisc.edu/...ope=FRUS.FRUS1
Bookmarks