134 · ARL Statistics 2008–2009
9 Medical library computer files are reported in Q14. [Central Library (Richter)]
10 Includes linear feet added to University Archives in 2008 and 2009; 2007-2008 figure should have been 17,940, not 17,932 as
reported. [Central Library (Richter)]
13 Includes 6,345 e-music titles. [Central Library (Richter)]
14 Medical library audiovisual materials (questions 11 through 14) and computer files (Q9) are reported in Q14. [Central Library
18 Excludes salaries of the University Librarian and directors of the law and medical libraries. [Central Library (Richter)]
27.a Includes library faculty and selected non-faculty professional staff. Medical library reports all non-faculty professional staff
in Q27b. [Central Library (Richter)]
27.b Includes both support and selected non-faculty professional staff. Medical library reports all non-faculty professional staff in
Q27b. [Central Library (Richter)]
30-31 Central, architecture, business, marine science, and music libraries include library research consultations in library
instruction sessions. [Central Library (Richter)]
32.a Includes transactions for University archives and architecture library, not reported in 2008. Transactions are based on
enumerations in central, business, and medical libraries, and sampling in architecture, law, marine science, and music
libraries. [Central Library (Richter)]
Library branches included: University Library, Bentley Historical Library, William L. Clements Library, Kresge Business
Administration Library, and the Law Library.
Library branches NOT included: Dearborn and Flint campuses.
Data from the Health Science Library are also included in the figures reported.
1.a Volumes held June 30, 2008 revised to 9,472,388 which includes 8,203,508 volumes from the Main Library, 712,384 volumes
from the Law Library, and 556,496 volumes from the Health Science Library. This number does not agree with the “volumes
held June 30, 2008” reported in the 2007-2008 ARL statistics because it includes 299,755 digitizations of volumes in the public
domain (and hence available full text) that were added to the HathiTrust digital repository in 2008-2009 and which are
accessible through our catalog.
1.b Consolidation and deduplication of collections resulted in an increase in volumes withdrawn. This number includes 101,030
physical volumes and as well as 40,933 e-books added during the year.
5 Owing to the way we keep our records, we cannot break down our serials into these categories while still deduping on
ISSN. Catalogued serials with ISSNs have been deduped within and across libraries. The reported figure also includes
22,343 cataloged serials without ISSNs and 7,388 serials which have not been cataloged; neither of these categories has been
7 We no longer count microform by physical unit. Our most recent count by that method was 8,445,189 reported in 2006-2007.
This number remains reasonably accurate as we acquire very little material in this form anymore and we do not withdraw
any of it.
16.d Vendored scanning for digitization resulted in an increase in miscellaneous library materials expenditures for the year.
Library branches included: Biomedical & Physical Sciences, Business, Dubai, Engineering, Gull Lake, Mathematics, and the
Veterinary Medical Center.
Data from the Law Library are also included in the figures reported.