Guide to Research CollectionsBrooklyn Historical Society
Papers: 3 letters (1919) in the Rev. Newell Dwight Hillis correspondence.
University of Chicago Library
Papers: 1895-1943. ca. 102 feet (ca. 200,000 items).
Correspondence, speeches, scrapbooks, newspaper clippings, and printed material chiefly relating to his political activities. Unpublished guide in library.