http://tags.library.upenn.edu/tag/cataloging+librarian_tools PennTags Feed for /tag/cataloging+librarian_tools PennTags Feed http://tags.library.upenn.edu/makerecord/url/10564 http://tags.library.upenn.edu/makerecord/url/10564 Library of Congress - For Librarians and Archivists Helpful resources from Library of Congress, e.g. LC classification outline, cataloging-in-publication, MARC 21 standards, digital refernce, etc.<br />