The AU Library collections contain more than one million volumes, including:
- 701,518 print books
- 20,000+ e-books
- 258,000 digitized primary source materials
- 45,000+ online periodical subscriptions
- 41,000+ media and sound recordings
- 14,245 musical scores
The Library maintains strong collections in public affairs and the social sciences, while it develops quality collections in the sciences and humanities.