Records of the Annual General Meetings of the Geological Society of London, 1809-current, comprising:

Rough manuscript minutes of the AGMs of the Geological Society of London, 1840-1891; Fair copies of the minutes of the AGMs of the Geological Society of London, 1844-current [incomplete]; Papers presented at AGMs, including President's agenda, ballot papers, scrutineer reports listing newly elected Council members, Officers and Fellows of the Society [pdf format after 2009], 1941-current; Printed ballot papers to elect Officers and members of Council, 1919, 1963-1996; Tickets, menus, programmes relating to the Anniversary Dinner, later President's Evening, 1853-1998; Printed notices and other ephemera regarding Annual General Meetings, 1809-1902.

Records of the Council of the Geological Society of London, 1810-current, comprising:

Minutes of the meetings of Council, 1810-current; Rough manuscript minutes of the meetings of Council, 1838-1905; Agendas for the meetings of Council, 1843-1979; Alphabetical subject indices to the minutes of the meetings of Council of the Geological Society of London, 1810-1981; Volumes containing of signatures of Council members attending Council meetings, 1882-2003; Annual reports, 1810-2010; Resolutions of Council, 1868-1931; Register of the letters presented at Council meetings, 1901-1912; Correspondence and papers relating to the meetings of Council, 1918-current.