Various black and white photographs of volleyball team; Estonian newspaper clippings showing presentation of medals.

Manuscript notebook with dictation and English lessons.

Booklets from the General W. M. Black transport ship, with messages from crew, information about Australia and world news (in Estonian and English); manuscript curriculum vitae; colour map of Estonia; some personal correspondence, undated, mostly pre-1948.

Various letters, mostly personal, some regarding immigration details in Australia; unlabelled black and white photographs.

Correspondence with the Department of Immigration regarding residency in Australia and naturalisation as a citizen; Certificates of Authority to Remain in Australia for A. A. Öpik and B. Öpik; Certificates of Naturalisation as an Australian Citizen for both.

Papers from the 20th International Geological Congress. Also includes: programme; maps; related correspondence; postcards; two name badges; Qantas menu; manuscript draft of report on the Congress and a trip to the United States.

Official Australian passport, vaccination certificates, Qantas flight details, notebook with carbon copies of correspondence.

Geological Society of Australia Annual Report, 1960; Australian Academy of Science receipts; manuscript and typescript testimonials for Dr J. Veevers, David J. Taylor, Dr R. O. Brunnschweiler; other professional correspondence; writing pad with carbon copies of correspondence.

Certificates from the Geological Society of Stockholm (corresponding member) and the American Association for the Advancement of Science (Fellow); various letters and telegrams, mostly in response to the winning of the Walcott medal; newspaper clippings concerning the opening of the Becker Hall, Australian Academy of Science, and Öpik's election as a Fellow of the Academy.

Subscription receipts.

Correspondence relating to trip, receipts and airline details; Commonwealth Government expenditure sheets; copy of Rockland County Journal-News, 10 June 1963, with article on Öpik.