American Baptist Historical Society

College and seminary papers, 1924-1929; correspondence from Slemp's years at the Watchman-Examiner, 1929-1933; at the Sunday School Board of the Southern Baptist Convention, 1933-1938; and at Missions magazine, 1944-1965. Sermons and addresses by Slemp, 1933-1959.

Correspondence, 1840-1850; poetry (unpublished) and personal memorabilia.

Personal papers of missionary to Puerto Rico from 1919 to 1926.

Correspondence (family); sermon texts, 1853-1863; daybook, 1829; record of marriages performed, 1828-1866; 12 manuscript "Dissertations" on theology by Morton.

Scrapbooks, 1870-1932; notebooks 1865-1866; manuscripts of unpublished writings; sermon notes and outlines, 1867-1890; Kalamazoo College lecture notes; diary from a trip to Texas, 1885.

Journal, "Brief sketch of a journey from America to France, April 8 - June 4, 1834"; journal, 1835.

Letters to family members from Assam, poems written by W. Witter, correspondence concerning life and letters of W. Witter. There is also information on William's son Theodore (T.V. Witter).