1938 meeting: Correspondence of Frederick A. Gibbs, 1938 March-1938 May Box 1, Folder 2 Bookmark Collection Context
1939 meeting: Correspondence of Margaret A. Kennard, 1939 February-1939 June Box 1, Folder 3 Bookmark Collection Context
1940 meeting: Correspondence of Charles D. Aring, 1940 April-1940 June Box 1, Folder 5 Bookmark Collection Context