http://tags.library.upenn.edu/tag/cataloging+acrl+hidden_collections PennTags Feed for /tag/cataloging+acrl+hidden_collections PennTags Feed http://tags.library.upenn.edu/makerecord/url/23805 http://tags.library.upenn.edu/makerecord/url/23805 RBMS Bibliographic Standards Committee Comments on Report on the Future of Bibliographic Control Rare Books and Manuscripts Section (RBMS) of the Association of College and Research Libraries (ACRL)response to the LC Working Group