http://tags.library.upenn.edu/tag/libraries+long_tail PennTags Feed for /tag/libraries+long_tail PennTags Feed http://tags.library.upenn.edu/makerecord/url/5262 http://tags.library.upenn.edu/makerecord/url/5262 Libraries and the Long Tail: Some Thoughts about Libraries in a Network Age Lorcan Dempsey in D-LIB<br />