- FondsMordell - Papers of Louis Joel Mordell
- Series1-40 - Letters
- File19 - Miscellaneous Letters
- 129 more...
- Item19.130 - A.L.s., in French, from C. de la Vallee Poussin, Louvain
- Item19.131 - A.L.s., from Oswald Veblen, Brooklin, Maine, USA
- Item19.132 - T.L.s., from Oswald Veblen, Princeton
- Item19.133 - T.L.s., from Oswald Veblen, Princeton
- Item19.134 - A.L.s., from Oswald Veblen, Brooklin, Maine, USA
- Item19.135 - A.L.s., from R. F. Whitehead, London
- Item19.136 - A.L.s., from R. F. Whitehead, London
- Item19.137 - A.L.s., from Albert Whiteman, University of Pennsylvania
- Item19.138 - T.L.s, from Norbert Wiener, Cambridge
- 3 more...