- FondsMordell - Papers of Louis Joel Mordell
- Series1-40 - Letters
- File31 - Swinnerton Dyer
- 3 more...
- Item31.4 - Autograph note in PSD's hand
- Item31.5 - T.L.s., from Thomas R. Merton
- Item31.6 - A.L.s., to Thomas R. Merton.
- Item31.7 - T.L.s., from Thomas R. Merton
- Item31.8 - A.L.s., from an unknown author
- Item31.9 - 7 A.Ls.s., from PSD
- Item31.10 - On the conjecture for the rational points on a cubic surface