1. [AG] Letter, Emil Artin to Robert F. Goheen, 15 March 1959, Artin File, PUA.
2. [BG] Letter, J. Douglas Brown to Robert F. Goheen, 3 July 1958, Artin File, PUA.
3. [HW] Letter, Father John O’Hara to H. B. Wells, 11 June 1938, Artin File, IUB.
4. [LH] Letter, Solomon Lefschetz to Father John O’Hara, 12 January 1937, Artin File (UDIS 101/43), UND.
5. [LR] Schedule of Lectures and Recitations, Office of the Registrar Records, Box 457p, IUB