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.

1. 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.
2. 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