The Bowers mss. III, 1868-1972, consist of correspondence, speeches, writings, photographs, newspaper clippings, and memorabilia relating to Claude Gernade Bowers. The correspondence, dating from 1902-1972, is chiefly between members of the Bowers family, with almost five hundred letters from Sybil (McCaslin) Bowers to Claude Bowers before their marriage. Of particular interest are the letters of the 1930's written by Bowers to his daughter Patricia, giving information about personalities and events in Spain. There are also a number of letters from Holman Hamilton to Patricia Bowers.
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.
The Butler mss., 1835-1937, includes papers, 1877-1937, of Amos William Butler, 1860-1937, zoologist, anthropologist, and sociologist, and a few papers, 1835-1871, of his father, William Wallace Butler, 1810-1903, merchant and farmer.