- FondsJeffreys - Papers and correspondence of Sir Harold Jeffreys
- SeriesD1-D404 - Publications
- SubseriesD1-D226 - Books
- FileD110-D162 - Methods of Mathematical Physics (with Bertha Swirles Jeffreys) Cambridge University Press, 1946
- FileD110-D117 - Manuscript notes and drafts ? for first edition
- FileD118-D135 - 'M.M.P. H.J.s solutions Very faint'
- FileD136-D156 - Proofs, manuscript notes, correspondence with colleagues re 3rd edition
- FileD157 - Correspondence re Russian edition
- FileD158-D162 - Correspondence, principally re 1972 paperback edition