The Jacklin Bolton Stopp collection contains materials from 1774 to 1972, with the bulk of the collection dating from approximately 1840 to 1910. Materials include pedagogical musical materials, tune books, other compilations of sacred or secular songs, and sheet music. The collection also includes cantata scores, librettos, hymnals, and music-related books. Most scores and collections of printed music were published in the United States.
The collection consists of report cards and grade books documenting the results of courses taken by students at the Maryland Agricultural College and the Maryland State College of Agriculture between 1860 and 1918.