- FondsLarmor - Papers of Sir Joseph Larmor
- SeriesLetters - Letters to and from Larmor
- SubseriesTo Larmor - Letters to Larmor
- FileMacAlister (Misc) - Letters from Sir Donald MacAlister.
- ItemMA1/1 - Autograph letter, signed, from St John's College
- ItemMA1/2 - Two draft letters from JL, one to DM and one to all College Fellows
- ItemMA1/3 - Autograph letter, signed, from St John's College
- ItemMA1/4 - Autograph letter, signed, from St John's College
- ItemMA1/5 - Autograph letter, signed, from St John's College
- ItemMA1/6 - Autograph letter, signed, from St John's College
- 9 more...