Abstract The Mendon Association was established in 1783. The Middlesex Union was established in 1827. The Middlesex South Conference of Churches was organized in 1828. The Middlesex South Association of Ministers was established in 1830. This collection consists of articles of faith, constitutions, meeting minutes, lists of participants, and financial information, correspondence, ministerial standing, and a scrapbook. The Middlesex South Ministerial Association volume also has Middlesex South...