2012 Collection Statistics
| Titles | 2,444,845 |
| Book Volumes — Main Collection* | 2,699,783 |
| Book Volumes — Branch Collection | 583,536 |
| Bound Periodicals | 267,083 |
| Computer Media (CD-ROM, Software) | 2,572 |
| Government Documents | 621,804 |
| Maps | 156,237 |
| Microforms | 4,576,547 |
| Photographs, Pictures | 1,384,075 |
| Sheet Music | 18,000 |
| Sound Recordings (CDs, Cassettes) | 168,896 |
| Videos, DVDs | 189,906 |