Container List: bMS 50/1 (1): Bank books, financial statements, etc., 1946-1962. bMS 50/1 (2): Card file of contributors, 1937-1961. bMS 50/1 (3): Ledger, 1949-1962. bMS 50/1 (4): Canceled checks, 1949-1957. bMS 50/1 (5): Ditto, 1958-1961.