Papers regarding the testing of suitable sites for astronomical telescopes:

A copy of 'Kitt Peak National Observatory Contributions', No. 45, entitled 'First report on the site selection survey for the National Astronomical Observatory', 1963 reprint (originally issued in 1958).

A copy of a report in German by V.H. Elsässer of the Max Plank Institut für Astronomie concerning site testing in Spain, 1970.

A memorandum by J.B. Alexander entitled 'Possible Site of the 30-inch Stevenson Telescope', 1970.

Two reports by J.B. Alexander dated March-April 1971 and 25 January 1971 regarding site testing in Spain and the Canary Islands, including very brief notes on a visit to La Palma.

Three reports by B. McInnes of the Royal Observatory, Edinburgh, regarding site testing in Almeria, Spain, June-October 1971.

A photocopy of 'Polar Star-Trail Observations of Astronomical Seeing in Arizona, Baja, California, Chile and Australia' by M.F. Walker, from 'Publications of the Astronomical Society of the Pacific', Vol. 83, 1971.

A report by B.E.J. Pagel on his visit to the Florence and the George Wise Observatory, Mitzpe Ramon, Israel, to conduct photoelectric U.B.V. observations, 1971.

A report in French by Françoise Praderie, Le Conseil de Direction de L'Institute National d'Astronomie et Geophysique, on site testing in a number of areas for a 3.6m telescope, 1971.

A photocopy of a report by Brosterhus, Pfannenschmidt and Younger entitled 'Observing Conditions on Kobau', from 'Journal of the Royal Astronomical Society of Canada', Vol. 66, No.1, 1972.

A note by H. Brück reviewing site testing progress, 1972.

Three further reports by B. McInnes on site testing in Spain, 1972.

A letter from G. Burbidge to F. Hoyle mentioning a number of sites being tested, 1972.

Notes on talks by Babcock, Walker and Lynds on the 1972 Cambridge Conference, 1972.

A letter from H.H. Atkinson, Science Research Council, to D.W.N. Stibbs, St Andrews, 1972, copied to E.M. Burbidge, enclosing a graph showing the total area of optical telescopes against time.

A letter from H.H. Atkinson, Science Research Council, to H.A. Brück, Edinburgh, regarding J.B. Alexander's site reports, 1972

A paper by J.B. Alexander comparing several sites for the Northern Hemisphere Observatory, 1972.

A memorandum by B. McInnes on dust from the African Continent over the Cape Verde Islands, 1973.

A letter from J.B. Alexander to the Premier's Office in Antigua in reply to a suggestion that Antigua might be a good site for the Northern Hemisphere Observatory, 1973.