Papers regarding the International Astronomical Union, including the following items:

Statement concerning Professor P. Swings's nomination for a Gold Medal, 1952.

R. Atkinson's comments on a circular by Dr Sadler, 1952.

Correspondence regarding the publication of the reports of various commissions, 1952.

Correspondence with Professor Lindblad concerning candidates for the new Executive Committee, 1952.

Correspondence with Dr Jackson regarding funding, 1952.

Correspondence with H.M. Smith and the Hydrographer concerning British delegates to the General Assembly of the I.A.U. in Rome, September 1952.

Correspondence with Professor Lindblad regarding Russian delegates in Rome, 1952.

Correspondence with Dr Oosterhoff concerning the meetings of various commissions of the I.A.U., 1952.

Correspondence with M. Danjon concerning the funding of the Bureau International de l'Heure, 1952.

Correspondence with Dr Thackeray regarding grants for travel expenses, 1952.

'Summary of decisions taken by the Executive Committee of the I.A.U. at its meeting in Paris 1951 September 4th-6th', 1952.

Correspondence on different systems of time signals, 1951-1952.

Paragraph by Dr Nabarro in 'Atomic Scientist's News' concerning the postponement of the 8th General Assembly of the I.A.U., and an extract from 'Pravda', 1951.

Correspondence with various people, including Professor Lindblad, Professor Strömgren and the B.B.C., concerning the postponement of the 8th Assembly, which was to have been held in Leningrad, and reactions from the U.S.S.R., 1951.

R. Atkinson to Dr Fayet on apparent right ascension as tabulated in the National Ephemerides and Uniform Sidereal Time, 1951.

Correspondence with Professor Lindblad regarding a proposed International Computation Centre, 1951.

Professor Lindblad to the Astronomical Council, Academy of Sciences, U.S.S.R., regarding the postponement of the 8th General Assembly of the I.A.U., 1951.

Copy of a telegram from Bardin, U.S.S.R., 1951.

Further correspondence regarding the 8th General Assembly of the I.A.U., 1951, concerning holding the assembly in Leningrad and its subsequent postponement, and including decisions of the Executive Committee at a meeting in Stockholm, September 1950. The correspondents include Dr Nassau, Dr Lonsdale, I.S. Bowen, Professor Oort, the Hydrographer and the Royal Society.

Telegram sent to the U.N. Security Council by the Presidium of the Academy of Sciences, U.S.S.R, 1950.

Lists of I.A.U. commissions, 1950.

Letter from A.A. Mikhailov, U.S.S.R., concerning arrangements for the 8th General Assembly of the I.A.U., 1950.

Correspondence with M. Danjon concerning annual variations in the rate of rotation of the Earth, 1950.

Correspondence concerning the funding of the Bureau International de l'Heure, 1949.

Science Newsletter, 8 October 1949.

Article by Dr O. Struve titled 'Soviet Astronomy Attacks', 1949.

V.B. Kukaikin's review of a book by B.A. Vorontzoff-Velyaminov titled 'The Universe', 1949.

Paper by Professor Lindblad 'On Possible Improvements to the Working Organisations of the I.A.U.', 1949.

Correspondence with M. Baillaud, 1949.

Recommendations of Commission 23 (Carte di Ciel), General Assembly of the I.A.U., Zurich 1948.

Correspondence with Professor Lindblad and A. Mikhailov regarding the 8th General Assembly of the I.A.U., 1949.

Proposal for discussion by the Executive Committee of the I.A.U., 1949.

Correspondence with Dr Hagihara regarding Japanese adherence to the I.A.U., 1949.

Correspondence with Lindblad and Mikhailov concerning Russian assurances that all countries adhering to the I.A.U. will be permitted to take part in the General Assembly, 1949.

Copies of the opening speech at the General Assembly in Zurich, 1948.

Correspondence with Dr Brouwer regarding a conference on astronomical consultants, 1948.

R. Atkinson to Dr L. Cunningham regarding the eclipse of 1 November 1948 and Comet 1186, 1948.

Paper titled 'Discussion of the Cosmological Hypothesis of Academician O.J. Schmidt at the Steinberg Astronomical Institute', from the 'Russian Astronomical Journal', 1948.

O. Struve to A. Mikhailov accepting the Russian invitation to hold the General Assembly in Leningrad, 1948.

Correspondence with O. Struve regarding the election of a President and General Secretary to the I.A.U., 1948.

Correspondence with Professor Oort concerning the Vienna Observatory and the latitude station at Cailoforte, 1948.

Correspondence with Professor Stratton regarding grants for the I.A.U. from U.N.E.S.C.O. for 1949, and also concerning the Vienna Observatory, 1948.

Correspondence with Professors Plaskett and Oort regarding grants for young astronomers from U.N.E.S.C.O., 1948.

Letter to Dr K.O. Kiepenheuer inviting him to the General Assembly in Zurich, 1948.