This non-circulating library contains various types of materials, including books, periodicals, maps, manuscripts, and clippings. The Case Library is primarily concerned with the history of the Black Hills and the surrounding area, with its many subject areas. Many donors from throughout the country have contributed to this library. The E.Y. Berry Collection contains the files, official papers, and the other materials for the years he served as Congressman, from 1950-1970. The Black Hills State University Archives contain the history of the institution from its beginnings as the oldest institution of higher education in South Dakota to the current time.
Several collections are on display within the library.
The A.D. Humbert Collection consists of 15 original clay tablets in cuneiform script, with the earliest from about 2500 B.C. and the most recent from Nebuchadnezzar year 20, month 9, day 10. The Case Display provides a changing display of materials relating to the history of the Black hills area. The Rowena Rachetts First Ladies Porcelain Doll Collection is an authentic collection of dolls representing the first ladies of all the U.S. Presidents. The Berry Display shows off some of the artifacts, mementos, and photographs of importance during his congressional tenure. The Charlotte Forsberg Display contains materials relating to children s literature.