Guide to Research CollectionsUniversity of Michigan
Bentley Historical Library
Ann Arbor, MI
Papers: Correspondence in Arthur Hendrick Vandenberg papers, 1915-1951. Finding aid.
University of Washington Libraries
Manuscripts and University Archives
Papers: Miscellaneous papers in various collections including Severn A. Sween papers, 1946-1958.
Washington State Historical Society
Papers: 1945-1950 (bulk 1948-1949). 7 linear feet. Senatorial papers including subject files for Agriculture Department,Columbia Basin,Commerce Department, Interior Department, Justice Department, Nominations, Postmasters, and Speeches. Finding aid.