- FondsMordell - Papers of Louis Joel Mordell
- Series1-40 - Letters
- File22 - Reflections of a Mathematician
- Item22.1 - Draft of a letter from LJM to an unknown recipient
- Item22.2 - T.L.s., from R. J. L. Kingsford, Cambridge University Press
- Item22.3 - A.L.s., from Robert, University of Glasgow
- Item22.4 - T.L.s., from R. J. L. Kingsford, Cambridge University Press
- Item22.5 - A.L.s., from F. Puryer White
- Item22.6 - T.L.s., from Sydney Chapman, Boulder, Colorado
- Item22.7 - A.L.s., from Professor H. S. M. Coxeter, Banff
- Item22.8 - A.L.s., from Fred Hoyle