2011 Collection Statistics
| Titles | 2,450,268 |
| Book Volumes — Main Collection* | 2,670,094 |
| Book Volumes — Branch Collection | 667,523 |
| Bound Periodicals | 265,392 |
| Computer Media (CD-ROM, Software) | 2,930 |
| Government Documents | 660,829 |
| Maps | 164,810 |
| Microforms | 4,596,870 |
| Photographs, Pictures | 1,384,047 |
| Sheet Music | 18,000 |
| Sound Recordings (CDs, Cassettes) | 173,795 |
| Videos, DVDs | 183,303 |
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