General correspondence relating to the Royal Society, including the following items:

Correspondence, minutes of meetings and reports to committees, including the National Committee for Geodesy and Geophysics, 1948; Defence Services Research Committee, 1948-1949; Joint Permanent Eclipse Committee, 1948; National Committee for Astronomy, 1948; Gassiot Committee, 1948; International Relations Committee, 1948; British Council, 1949; Travelling Expenses Committee, 1949; and Soiree Committee, 1949.

Correspondence with London University Library concerning Polish publications from the Academy of Science, Cracow, 1949

Correspondence between the Kew Observatory; Carnegie Institute, Washington D.C.; and H. Spencer Jones regarding the Magnetic Charts Committee, 1949.

Miscellaneous correspondence between various individuals, including H. Spencer Jones, Professor Brunt and Dr Martin, 1948-1949, concerning committees, the Royal Society Year Book, obituary notices, applications for grants, microfilms, lectures and rates of exchange.

Correspondence between Professor Redman, Professor Milne and H. Spencer Jones regarding the death of Deslanders, 1949.

Royal Society guide for the preparation of synopses, 1949.

Report on the International Astronomical Union General Assembly, Zurich, 10-18 August 1948.

Nomination of H. Spencer Jones to serve on the Sectional Committee for Mathematics, 1948.