Secretary's minutes, 1897-1975; constitution and bylaws, with list of members, 1878-1926; correspondence and documents about the sale of property and the settlement of the Martin McVoy, Jr. estate, 1963-1988, and seal imprinter. Also includes "Catalogue of the Alpha Delta Phi, 1932-1956"; "The Cayugan," 1964, 1966; brochures containing messages from the faculty advisor and president, 1963-1966; initiation programs, 1964, 1965; membership roster, 1965; and photographs. Also the files of G. Lauriston Walsh as alumni association president regarding the operation and events of the fraternity.

Also, inscribed copy of Memorial of Samuel Eells, the founder of Alpha Delta Phi, 1873, and "Oration Delivered Before the Biennial Convention of Alpha Delta Phi Society... by Samuel Eells," 1939; Alpha Delta Phi Song Book, 1912; Printed song sheets with songs by Oscar L. Taylor (Class of 1881), Professor William Rufus Perkins (Hudson, 1868), William Seymour Edwards (Class of 1879), and Theodore Luqueer Mead (Class of 1877).