The two libraries at Haigazian University hold a wide collection of books, microfilms, maps, CD-ROMs, video tapes, slides, other audio-visual materials, and online databases such as EBSCO and Questia.
- The Barsumian Library contains around 38,000 volumes including about 3,600 volumes of bound periodicals. Book search is facilitated through the automated system accessed online through OLIB.
- The Derian Library contains a collection of around 33,000 volumes, including about 6,000 volumes of bound periodicals. Derian is considered to contain one of the richest collections among libraries in the Armenian Diaspora