Some maps on slides date from 1758. Maps are of the Baltimore-Washington Conference, which includes Maryland, the District of Columbia and West Virginia. Highlights include manuscripts, clippings, biographical sketches, and histories of institutions such as local churches, colleges, seminaries, schools, boards, agencies, and benevolent organizations. The vertical file is organized alphabetically by subject. Inclusive dates of this collection are 18th to 20th centuries.
Subject matter includes events, people, and churches, mainly of the area conference.
There are alphabetical inventories for part of the collection. The Society's collection also includes the Lovely Lane Museum with artifacts and exhibits concerning John Wesley, Susanna Wesley, Robert Strawbridge, Francis Asbury, Thomas Coke, and John Fletcher. Union List of United Methodist Serials, 1773-1973. Garrett Theological Seminary, 1974. Rowe, Kenneth E., ed.