Contains biographical materials, certificates, contracts, and other material related to Harris. Materials date from between approximately 1908 and 1960.

Contains clippings with personal mention of Harris. Dated between 1921 and 1960.

Contains letters sent and received by Harris. Includes materials from his international travels to Russia and Iran. Dated from between 1908 and 1945.

Contains journals prepared by Harris with information about activities. Dated between 1903 and 1954.

Contains ephemera, awards, programs, and other material received or collected by Harris. Dated from approximately 1940 and 1957.

Contains notes, letters, journals, clippings, and other material gathered by Harris. Much of the material relates to his travels to Russia, and includes materials gathered or produced by Kiefer B. Sauls. Dated from between 1926 and 1969.

Contains notes and writing created or collected by Harris during his travels to Russia in 1929.

Contains notes and writings created or collected by Harris in association with his "around the world" trip between 1926 and 1927.

Contains diaries, correspondence, scrapbooks, clippings, and publications produced or collected by Harris. Includes information on his personal and professional career, as well as the Harris family. Materials date from between 1903 and 1960.

Contains correspondence, campaign literature, and publicity materials related to Harris's campaign for the United States Senate in 1938.