These are the personal and business papers of Marcus Kiley. They include notes from his classes at the School of Library Service, Columbia University, 1926-1927, and papers and letters related to his involvement in various library organizations. Also included are letters, invitations and other printed matter related to reunions and dinners of the Amherst College Class of 1919 from the 1950s through the 1970s. There is a book of tributes to Kiley upon this retirement as the Librarian of the University Club, New York City in April 1962.

This collection is organized into seven series:

• 1. CORRESPONDENCE, 1928-1967
• 2. AMHERST COLLEGE ALUMNI ACTIVITIES, 1927-1977
• 3. CLUBS AND ORGANIZATIONS, 1948-1971
• 4. LIBRARIES, 1917-1971
• 5. PERSONAL AFFAIRS, ca. 1931-1960 and n.d.
• 6. PHOTOGRAPHS, ca. 1962
• 7. MISCELLANEOUS, ca. 1949-1962