- FondsJeffreysB - Papers of Bertha Jeffreys
- SeriesJ - Correspondence
- SubseriesJ43-J207 - Alphabetical sequences
- 52 more...
- FileJ112 - Olver, F.W.J.
- FileJ113 - Pekeris, C.L.
- FileJ114 - Perutz, M.F.
- FileJ115 - Piper, A.
- FileJ116 - Pitman, E.J.
- FileJ117 - Porter, A.
- FileJ118 - Quiney, H.M.
- FileJ119 - Ramaswamy, A.L.
- FileJ120-J123 - Robertson, W. and family
- 66 more...