Manuscripts, notes, lecture materials, and papers of Hayes. There are six boxes of correspondence, notes, and documents relating to the war years, 1942-1945, when Prof. Hayes served as Ambassador to Spain. The collection also includes the notes, drafts, and typescripts of Prof. Hayes' publications including his books Wartime Mission in Spain, 1942-1945 (New York, 1945), History of Europe (New York, 1956), A Political and Cultural History of Modern Europe (New York, 1932-1936), Generation of Materialism (New York, 1941), Christanity and Western Civilization (Stanford, 1954), and Contemporary Europe Since 1970 (New York, 1958). There are also notes and typescripts of an "Autobiography," which is apparently unpublished. Included in the collection are two boxes of catalogued correspondence.

Correspondence, manuscripts, notes, course materials, illustrations, family items, and printed materials of Sherwin. The manuscripts are largely of unpublished material, but are of some published works like THE ENCOMPASSING MIRROR. The majority of the collection consists of Sherwin's notes on various literary and historical topics including among others Dryden, Pope, and Swift. Course materials are from his classes at City College. The illustrations are some of those considered for use in his publications. Family items include college papers by his son James, notebooks kept by his wife, Stella, during a period of mental illness, and Sherwin's reflections upon her condition. The printed materials consist of periodical articles and reviews by Sherwin and reviews of his books.

Correspondence, manuscripts, subject files and research notes of Sigmund Diamond. Included among the correspondence are Diamond's letters to and from various distinguished members of Columbia University and other academic insitutions, as well as correspondence with many noted sociologists and historians. Included in the manuscripts is Diamond's "In Quest." The subject files comprise material from Diamond's tenure at Columbia and include some material pertaining to his forced departure from Harvard in the 1950's due to his previous communist affiliation, and his active role in maintaining the efficacy of the Freedom of Information Act. The research files include microfilms and notes.