The Harry Earl Montgomery collection of Lincoln materials, 1831-1913, contains material relating to the life and death of Abraham Lincoln, as well as materials documenting memorials to Lincoln. Harry Earl Montgomery (1873-1915) was a lawyer in Buffalo, New York. He was a collector known for his collections of ancient coins and materials on Abraham Lincoln.

Father John J. Griffin, born in 1859, was a Catholic priest and academic. This collection consists mainly of Rev. Griffin’s Camp Namaschaug documents, including business correspondence, bills, receipts, financial information, booklets and advertisements, and legal documents.

The Mount Saint Agnes College collection, 1898-2020, contains records documenting the administrative, academic, and cultural life of the college. Mount Saint Agnes College was a Catholic women's college in Baltimore, Maryland, operated by the Sisters of Mercy religious order.

The Student Education Association (SEA) was formerly known as Future Teachers of America (FTA), which began its charter at College of Notre Dame of Maryland on March 27, 1942. FTA became SEA approximately 1961. This collection, dated 1942-1982, consists of founding documents, correspondence, invitations, planning documents for events, membership lists and addresses, officer rosters, and photographs.