Books and printed music are arranged according to the Library of Congress' Classification System. The library has circulating and non-circulating (reference) collections. Each collection is divided in to three sections.
M = Printed music/scores (organized by instrument/genre)
ML = Books about music and musicians
MT = Books on music theory, pedagogy, and technique
The Jones Music Library has distinct collections for music education and music therapy resources. A complete description of the library's collections may be found here.