Hillel and Jewish Student Organizations - Links to Hillel Foundations and Jewish student organizations on U.S. college and university campuses. - http://www.science.co.il/JSO.asp
American Jewish Historical Society - Site is mostly about the organization but also includes some sources and historical material on American Jewry. - http://www.ajhs.org/
American Jewish Archives - One of the world's largest collections of historical materials pertaining to the American Jewish experience. - http://huc.edu/aja/