Q:  How much stuff do we have?

A:  Here’s the scoop. As of April 2008, our current holdings in books and other formats is:    

Books:
563,470   physical books in the DePaul General Libraries*
3,659   physical books in the Vincentian Studies Institute collection
22,799   electronic (i.e. Internet) books, mostly accessible through aggregator services like NetLibrary and Books 24x7
5,700   volumes on microforms (microfilm, microfiche)

Serials / Periodicals:
146,871   bound volumes   

95,003   volumes on microforms representing 9,373   journal titles that we currently receive or received in the past. 
Note: This figure for journal titles is tricky.  If a periodical changes its name, say from “Miller GAAP Guide” to “Miller GAAP Guide Level A” to “GAAP Guide Level A” this counts as 3 titles even though it’s essentially the same periodical.
25,779  electronic journal titles, accessible through aggregator services like ABI Inform

Visual images:
50,016   digital images in the joint database of the Library’s Digital Collection and the DePaul Art Gallery
88,792    film slides
5,253    digital images in the joint database of the Library and the Vincentian Studies Institute’s web-based metadata collection

Non-print media:
DVDs     2,597 items representing 2,059 titles (i.e. some titles have 2 or more discs, or we have more than one copy)
VHS     8,809 items, 6,118 titles
CDs   12,301 items, 9,403 titles

Older media formats:  
342   titles on CD-ROM and software discs (remember them?)
14   titles on 12” laser disc  (But we have dumped all our Beta tapes!)
1,098   items representing 278 titles on audiocassette tapes (mostly music)
4.974   items representing 3,489 titles on vinyl LPs