Interestingly, a search will often work (he says, pulling random books off his bookshelf): <http://www.worldcat.org/search?q=2003013916> <http://www.worldcat.org/search?q=2003023949> Or if it returns several hits, the first one can be the one: <http://www.worldcat.org/search?q=7653730> But given more time I may be able to dig up the authoritative answer on this. Roy On 6/24/08 6/24/08 € 3:24 PM, "Jonathan Rochkind" <[log in to unmask]> wrote: > Worldcat lets me generate a predictable link by isbn, issn, or oclcnum: > > worldcat.org/isbn/# > > worldcat.org/issn/# > > worldcat.org/oclc/# > > > But it doesn't look like it indexes this way by lccn too? > worldcat.org/lccn/# I don't think works? Can anyone confirm or deny, > is there a way to predictably direct link by lccn like this? > > Jonathan > --