The McVitty mss., 1952-1960, consist of the papers of Marion (Hazard) Etcheverry McVitty, 1911-1971, United Nations observer, in relation to her work in the United World Federalist movement.
The Singer, J. D. mss., 1950-1961, consist of the correspondence and papers of J. David Singer relating to the World Federalist Association in New York.
The United World Federalists mss. V, 1947-1974, consists of materials from international conferences, various publications, and individuals associated with the organization, including Garry Davis and Charles Heywood.
The Willis mss., 1942-1945, consist of letters and documents of Hugh Evander Willis, 1875-1967, professor of law at Indiana University, dealing with Professor Willis' plan for achieving lasting peace through a federation of the world and with his proposals for the constitution of the United Nations.
The Hahn mss. II, 1942-1943, consists of correspondence urging the U.S. Government to place the name of author Emily Hahn, 1905-1997, on the list of American correspondents in Japan and Japanese-held territories to be exchanged for Japanese journalists in the United States.
The Burton mss., 1940-1967 and 1976, are the papers of Lindley James Burton, 1921-1968, professor of Mathematics at Lake Forest College, Illinois, concerning various phases of the work of the United World Federalists movement in Illinois.