Container List:
- bMS 35/1 (1): Constitution of the Unitarian Association of Cambridge.
- bMS 35/1 (2): "Records of the Cambridge Assoc., Auxiliary to the American Unitarian Association," 1827-1834.
- bMS 35/1 (3): Minutes of the Association, 1809-1844.
- bMS 35/1 (4): Ditto, 1845-1896.
- bMS 35/2 (1): Ditto, 1896-1930.
- bMS 35/2 (2): Ditto, 1931-1943.