- FondsLarmor - Papers of Sir Joseph Larmor
- SeriesLetters - Letters to and from Larmor
- SubseriesTo Larmor - Letters to Larmor
- FileSampson (Misc) - Letters from Ralph Allen Sampson
- ItemSA2/1 - Autograph letter, signed, from St Helens
- ItemSA2/2 - Autograph letter, signed, from Newcastle
- ItemSA2/3 - Autograph letter, signed, from Newcastle
- ItemSA2/4 - Autograph letter, signed, from Newcastle
- ItemSA2/5 - Autograph letter, signed, from University of Durham Observatory
- ItemSA2/6 - Autograph letter, signed, from University of Durham Observatory
- ItemSA2/7 - Autograph letter, signed, from University of Durham Observatory
- ItemSA2/8 - Autograph letter, signed, from University of Durham Observatory
- ItemSA2/8a - Autograph note, signed
- 21 more...