I don't think they have a public one but there is one if your institution has Firstsearch. http://www.oclc.org/support/documentation/firstsearch/z3950/fs_z39_config_guide/default.htm "The production server provides access to all the databases available and requires a valid FirstSearch authorization." http://www.oclc.org/support/documentation/firstsearch/z3950/z3950_databases/specs/worldcat.htm Ryan Eby On 8/22/06, Eric Lease Morgan <[log in to unmask]> wrote: > Is there a public Z39.50/SRU/SRW/Web Services interface to WorldCat > or OpenWorldCat? > > I would like to create a simple search engine to query "Other's > books", and *Cat seems like a great candidate. > > Inquiring minds would like to know. > > -- > Eric Morgan >