http://netvouz.com/tag/digital+reference+free?feed=rss Bookmarks tagged with "digital+reference+free" on Netvouz http://digital.library.upenn.edu/books/ chuckcarroll Sun, 14 Sep 2008 22:23:51 GMT http://www.ulib.org/ Million Book Collection , hosted by Carnegie Mellon University books and ebooks davidbrake Wed, 05 Dec 2007 11:00:03 GMT http://oedb.org/library/features/236-open-courseware-collections 236 Open Courseware Collections, Podcasts, and Videos | OEDb Netpilgrim Wed, 12 Sep 2007 05:31:32 GMT