The collection is comprised of several sub-collections or archival categories. The main collection contains the artifacts recorded in the collect database and includes the textile, political, historic photograph, document, fine arts, and furniture collections. The library collection contains the archival and book materials recorded in the library databases. This includes the book, letter, newspaper, microfilm, audiotape, and pamphlet collections. The majority of the book collection was owned by the Harrison family and are designated reserved. Current publications are designated lending. The library collection also includes the DAR archives, 70th Regimental archives, BHPS archives, and the Fordham University returned items archives.