Dinand Library's collection consists of books, periodicals, indexes and abstracts, newspapers, microfilm, microfiche, audio-visual, and digital media in the humanities and social sciences.

Particularly noteworthy are the collections of scores and recordings of twentieth-century composers, world music recordings, and composer biographies. The Music Library owns many of the authoritative editions of significant composers' collected works, such as Bach, Beethoven, and Mozart.

The Science Library, with over 90,000 volumes, increasing numbers of web client computers, and enhanced access to proven electronic products, occupies the entire first floor of Swords Hall, the central portion of the three-building Science Complex.