Correspondence regarding the setting up of the European Southern Observatory and the Southern Hemisphere Observatory, including the following items:

Memorandum by Stephen Toulmin regarding the Foundation of Scientific Policy, 1963.

Correspondence with Professor R.J. Blin-Stoyle regarding the Institute of Theoretical Astronomy, University of Sussex, 1963.

Report by A.B. Muller of the visit of European Southern Observatory observers to Chile, 1963.

Correspondence with Professor O. Heckmann, Germany, concerning reference stars for Groningen variables, 1963.

Correspondence with Dr G. Alter, Prague, concerning NGC 6994, 1963.

Minutes of meetings of the European Southern Observatory Committee, 1963.

Draft of 'The Place of Certain Research Institutions in any reorganisation of Civil Science', 1963.

Correspondence with the Air Ministry regarding astronomical surveys and the Wild T4 Theodolite, 1963.

Correspondence with G. Kron, California, regarding the 150-inch telescope at the Kitt Peak National Observatory, 1962.

Memorandum concerning a site testing survey of New Zealand, 1962.

Correspondence regarding the Advisory Council of Scientific Policy, relating to the Southern Hemisphere Observatory, 1962.

Correspondence regarding possible American involvement in the United Kingdom-Australian Southern Telescope, 1962.

Notes by Sir John Cockroft on discussions on the Southern Hemisphere Telescope Project, 1962.

A copy of oral questions and answers made in the House of Commons regarding the European Southern Observatory and the Southern Hemisphere Observatory, 1962.

Correspondence with Sir Howard Grubb, Parsons and Co. Ltd regarding 120-inch telescope estimates, 1962.

Correspondence with Professor A. Danjon regarding the European Southern Observatory, 1961.

Report on a visit to the European Southern Observatory Projects in South Africa by A. Blaauw, B. van Geelen and A.B. Muller, 1962.

Minutes of meetings of the Instrumentation Committee of the European Southern Observatory, 1961.

Material provided by the Astronomer Royal for a paper to the Advisory Council for Scientific Policy facilities in the Southern Hemisphere for United Kingdom observational astronomers, 1961.

Report on the 26th meeting of the Committee on International Scientific Co-operation, 1961.

Correspondence with Bart J. Bok regarding the Australian reaction to the Southern Hemisphere Observatory, 1961.

General notes on Soviet Science No. 8, 'The Extent of the Co-ordination of scientific research in the Soviet Block', issued by the Ministry of Defence, 1961.

Memorandum on the 'Commonwealth Southern Observatory', 1961.

United Kingdom Scientific Mission note by H.K. Bourne on 'Some new Visual observations of Dynamic Phenomena in the Solar Atmosphere', 1961.

Correspondence with V. Fesenkov, Alma, Russia, regarding the luminosity of the sky at Greenwich, 1961.

Memorandum on the needs of British astronomy in the Southern Hemisphere, 1961.

Memorandum on the European Southern Observatory conference, Paris, 14 and 15 December 1960, stating the attitude of the different countries, 1960.

Paper by Professor Fred Hoyle on 'Reflections on the needs of Astronomy in Britain', 1960.

Correspondence of Richard Woolley regarding astronomical matters, 1956-1959, carried on with the following scientists: Dr A.J. Wesselink, Professor O. Heckmann, Professor A. Danjon, Professor A. Thorn, Dr Klaus Bahner, Dr I.S. Bowen, Dr Paul Couderc and Professor H.H. Plaskett.

Correspondence with H. Spencer Jones regarding astronomical matters, including star positions and meteor sightings, 1953-1955.

Correspondence with J.G. Baker regarding the Planckian radiation function, 1953.