Records of relating to the Archives and Conservation Studio, 1971-2004, comprising:

Surveys and reports on the condition of the archives, 1974-[1986]; Reports and correspondence on the construction and maintenance of the archives store, 1980-1985; Archivist reports, 1980-1987; Historical articles and papers by John Thackray, Honorary Archivist, 1971-1984; material on Archive fundraising and appeals, 2003-2004;

Conservator's reports, 1981-1986; Records of the Joint British Library and Geological Society conservation facility, later Burlington House Conservation Project, 1983-1987; Records relating to the construction, equipment and work of the conservation studio, 1979-1985; Photographs of the work of the conservation studio, later photographs of items requested from the Society's collections, 1981-1999.