1. Artin File, Notre Dame Archives, University of Notre Dame, Notre Dame, Indiana [=NDA]
2. Artin File, Indiana University Archives, Indiana University, Boomington, Indiana [=IUA]
3. Artin, Emil, to Helmut Hasse, 27 November, 1930, Cod. Ms H. Hasse, 1:59, nr. 35, [NSUB]
4. Artin, Emil, to Helmut Hasse, 24 August, 1931, Cod. Ms H. Hasse, 1:59, nr. 39. [NSUB]
5. Artin, Emil, to Oswald Veblen, IAS, Princeton, 13 February, 1941, [AC, IAS]