Hello. Does anyone know of a resource for doing a "quick and dirty" mapping of a large number of publications with LoC class codes over to NLM class codes? I do not have Dewey numbers. Thanks in advance, Jody Burton ProQuest I&L Product Manager, Medical & Nursing _________________________________________________________________ FREE online classifieds from Windows Live Expo – buy and sell with people you know http://clk.atdmt.com/MSN/go/msnnkwex0010000001msn/direct/01/?href=http://expo.live.com?s_cid=Hotmail_tagline_12/06