Copy 41 of 130 copies issued of Communications, the proceedings of the seventh congress of the organization, held September 24-29, 1967, at Trinity College, Oxford, England.

Proceedings contain the papers given at the congress, with additional material. Accompanying material include a note of presentation to the Newberry from editor J.S.G. Simmons of the copy, 1982, correspondence from other organizations asking for copies of the proceedings, newsclippings about the congress, and a list of those persons and institutions who received any of the 130 original copies.

Newberry also has a photocopy of copy 103 of 130, cataloged as Wing folio TS 1090 .I58 1967.