- FondsLarmor - Papers of Sir Joseph Larmor
- SeriesLetters - Letters to and from Larmor
- SubseriesTo Larmor - Letters to Larmor
- FileWard (Misc) - Letters from Joseph Timmis Ward
- ItemWA3/1 - Autograph letter, signed, from St John's College
- ItemWA3/2 - Draft letter
- ItemWA3/3 - Autograph letter, signed, from JL to JTW