- FondsMordell - Papers of Louis Joel Mordell
- Series1-40 - Letters
- File6 - Erdos
- File6.2 - Papers
- 6 more...
- Item6.2.7 - Typed and manuscript notes on primes
- Item6.2.8 - Sequence of integers
- Item6.2.9 - Proof of a theorem
- Item6.2.10 - Proof of a theorem
- Item6.2.11 - 'On the density of the sum of two sequences' by Paul Erdos
- Item6.2.12 - On the difference of consecutive primes
- Item6.2.13 - Mathematical Theorems
- Item6.2.14 - On the density of the abundant number
- Item6.2.15 - Mathematical workings
- 2 more...