- The General Collection, located on the top three floors, contains over 229,000 volumes arranged in the Library of Congress Classification System. Books in this collection may be checked out with a valid borrower's card.
- The Reference collection, located on the first floor, includes dictionaries, encyclopedias, handbooks, directories, maps, statistics, guides and bibliographies in all subject areas and is a good collection to use to start your research.
- The Leisure Reading collection, located near the public computers on the first floor, includes popular fiction and nonfiction. Suggestions for new titles are always welcome!>
- The Audio Visual collection, including CDs, DVD's, video tapes and some sound recordings, is located on the second floor of the library.
- The Juvenile collection includes children's books from pre-K through Young Adult. Books are arranged according to the Dewey Decimal System, as they commonly would be in a school or public library. This collection is located on the second floor of the library, in the northeast corner.
- Course Reserve materials are required readings located at the Circulation desk and are listed in the course reserve catalog.
- Periodicals include newspapers, news magazines, microforms and scholarly journals in print and electronic format. They are arranged in alphabetical order by title, with current titles located on the first floor and back issues located in the lower level.
- The College Archives, located in Madeleva, Room 105, contains non-circulating materials pertaining to the history of Saint Mary's from 1844 to the present.
- The Rare Book Room and a wide-range of other College publications are located in B26, lower level of the library. Contact the reference desk, (574) 284-5288, if you have questions about the use of the Rare Book Room and to make a research appointment.