> > But who is deciding the LCC or Dewey Classification code ? Should it > > be the publisher's initiative ? Is there a way to get those > > information automatically ? > > For books published in the US except for those categories listed at > http://www.loc.gov/publish/cip/about/ineligible.html , the Library > of Congress creates all of the CIP data based on information provided > before publication by the publisher. It's not up to the publisher to > suggest these. If you want to find classification data for existing > titles (as above, mostly only those published in print), you could > query the Library of Congress catalog or WorldCat. Conveniently, those ineligible categories include: "Books published in electronic format" Cheers stuart