Bapst Art Library
This English Collegiate Gothic building houses the art and art history collections, graduate and undergraduate study space.

Burns Library
In addition to rare books, special collections, and university archives, the John J. Burns Library is home to the Irish Music Center and the Irish Music Archives.

Educational Resource Center
The Center, located in Campion Hall, primarily serves the resource needs of the School of Education faculty and students.

Law Library
Primarily serving the law school on the Newton Campus, this library houses legal and related materials.

Social Work Library
Located in McGuinn Hall, this library serves the resource needs of the Graduate School of Social Work.

O'Connor Library
The Weston Observatory houses a collection focused on earth sciences.

O'Neill Library
The main research library, the Thomas P. O'Neill, Jr. Library, houses over 1.3 million volumes, study space and numerous workstations providing access to resources.

Theology and Ministry Library
The Theology and Ministry Library supports the St. John’s Seminary and the School of Theology and Ministry, which will open in the Fall of 2008.