The 2005 list contains the “Top 1000” titles owned by OCLC (Online Computer Library Center) member libraries. Basically, libraries around the globe have deemed these works worth purchasing and holding in their collections.
Topping the 2005 list are: The Bible, The Census, Mother Goose, The Divine Comedy and The Odyssey.
Check out the full list here.
(Via Boing Boing)