Comprises general correspondence, predominantly between Club members, mainly concerning membership, questions of procedure and informal and speculative proposals and requests from non-University-accredited expeditions, 1949-53, 1955-7, 1959-61, 1963-5, 1969-79, 1981-3, 1985, 1987-90, 1992-7, 2000-2, 2005, n.d..