- FondsNewmanM - Papers of Max Newman
- SeriesBox 4 - Family, Will and obituary, miscellaneous, diaries
- Subseries1-9 - Family
- File9 - Correspondence with Margaret Penrose (later Newman)
- Item1 - Autograph postcard signed
- Item2 - ALS from Sydney C. Harland, Peru, to MHAN
- Item3 - ALS from Peru
- Item4 - Autograph postcard from Peru
- Item5 - ALS from London
- 2 more...