OCLC Top 1000, 2005

http://www.oclc.org/research/top1000/default.htm
OCLC Research has updated its list of the top 1000 titles owned by member libraries-the intellectual works that have been judged to be worth owning by the "purchase vote" of libraries around the globe.

The link above takes you to the top 10. To see the entire list, click on Complete List - 2005 in the upper left of the page.
[Source: Sandy Dixon, State Library of Iowa]