- FondsNewmanM - Papers of Max Newman
- SeriesBox 2 - Documents and letters relating to mathematics and mathematicians
- Subseries15 - Documents relating to Bertrand Russell
- File1-13 - Correspondence with Bertrand Russell
- 8 more...
- Item9 - ALS from Merioneth
- Item10 - Copy of ALS from Merioneth
- Item11 - Copy TLS from MHAN, University of Utah, Salt Lake City
- Item12 - TLS from Merioneth
- Item13 - Copy ALS from MHAN, University of Utah, Salt Lake City