Series I. Biographical File, 1970-71, 1977-78 (2f)
Contains biographical information about Louis Hartson, and a file concerning his Oberlin College Alumni Award (1970).
Series II. Correspondence Files, 1925-65, 1968-76 (6f)
Correspondence received from Lawrence E. Cole (1970-76), Raymond H. Stetson (1925-49), and Ruth Graff. Also included is correspondence to Eileen Ort Reese, and from Pete Cole to Eileen Ort Reese regarding Louis Hartson.
Series III. Lecture Notes, 1930-58, n.d. (1.25 l.f., loose)
Lecture notes for psychology classes taught by Hartson.
Series IV. Memoirs and Reminiscences, 1904-19, 1973 (one volume, 2f)
Consists of a hard cover copy of Hartson's Memoirs (June 1976), and a soft cover copy (2 copies) of Hartson's "Reminiscences and Records" (July 1973).
Series V. Talks and Writings, 1925-66 (4f)
Talks and Writings of Louis Hartson covering various issues in psychology and education. Titles include "Vocational Choices - Before and After College" (1937), "A Validating Study of the Oberlin Vocational Interest Inquiry" (1944), and "Raymond Herbert Stetson" (1965). Several articles concern intelligence tests.
Series VI. Miscellaneous Files Pertaining to Raymond H. Stetson, 1927-53, n.d. (4f)
Files related to the work and life of Raymond H. Stetson (Professor of Psychology, Oberlin College 1909-39, and emeritus, 1939-50). Contains copies of writings of Stetson, and articles and miscellaneous printed matter about Stetson.
Series VII. Oral History Interview, 1976 (1f)
Oral history interview of Louis D. Hartson (original cassette of 28 July 1976, and a copy cassette made on 21 May 1996).