This collection contains records related to the Congregational Association of Detroit and the Michigan Congregational Christian Conference. The bulk of the records are related to the Congregational Association of Detroit and include annual meeting minutes, trustee meeting minutes, and the records of the Women's Union, Women's Missionary Union, and Women's Fellowship. A smaller portion of records are from the Michigan Congregational Christian Conference (sometimes also called the Michigan Congregational and Christian Conference, the Michigan Congregational Conference, or the Michigan Congregational Association) and this portion includes records from Women's missionary organizations, clippings related to the merger, and a folder of financial records for the Century Fund.