- FondsMacMahon - Papers of Percy Alexander MacMahon
- SeriesB - Papers belonging to Sir Charles Moore Watson
- File2 - The Schoolgirl Problem
- 1 more...
- Item2 - Letter to Charles Watson
- Item3 - The Problem of the Eighteen Schoolgirls
- Item4 - Miscellaneous notes
- Item5 - The Problem of the Twenty-One Schoolgirls
- Item6 - Letter to Percy Alexander MacMahon
- Item7 - Letter to Sir Charles Watson
- Item8 - The Problem of the Twenty-One Schoolgirls
- Item9 - Letter to Sir Charles Watson
- Item10 - Letter to Sir Charles Watson
- 1 more...