- FondsJeffreysB - Papers of Bertha Jeffreys
- SeriesJ - Correspondence
- SubseriesJ43-J207 - Alphabetical sequences
- 38 more...
- FileJ96 - Lefever, R.M.H. and M.E.
- FileJ97 - Lenton, G.K.
- FileJ98 - Re Lighthill, M.J.
- FileJ99 - Lindley, D.V.
- FileJ100 - Linfoot, J.
- FileJ101 - Lyttleton, R.A.
- FileJ102 - McVittie, G.C.
- FileJ103 - Magarshack, E.D.
- FileJ104 - Re Matthews, D.H.
- 80 more...