025.431: The Dewey blog Everything you always wanted to know about the Dewey Decimal Classification® system but were afraid to ask.
Bibliographic Wilderness A blog about library matters of digital systems and services, metadata, cataloging, and our collective effort to help people navigate the ‘information wilderness’ we find ourselves spending increasing time in.
Cataloging Rules A blog for catalogers, metadata librarians, information architects, content strategists, database wranglers, organizers of all sorts and those who love us
Celeripedean "Just another blog about libraries" but with an emphasis on cataloging
Coyle’s InFormation Comments on the digital age by Karen Coyle
First Thus Thoughts about the future of libraries and the catalog
The Library and The River "Life in San Antonio Texas by a northern transplant. With additional notes on cataloging and classification."
Lorcan Dempsey’s Weblog OCLC vice-president and chief strategist Lorcan Dempsey's weblog on libraries, services and networks
Mod Librarian topics for the modern library: digitization, metadata, taxonomy, social media, design for seamless user experience, marketing and sometimes, just books
Planet Cataloging An automatically-generated aggregation of blogs related to cataloging and metadata.
Subject Headings of Current Interest Compiled by Michael Colby of the University of California at Davis updated monthly.
Work and Expression The blog of the Information Services Section of the City of London Libraries
AUTOCAT The archives of the cataloging and authorities discussion group plus instructions for joining the list.
NETSLlist A list for New England Technical Services Librarians; you must be a NETSL member to use this list
OLAC-List A list devoted to cataloging audiovisual materials
RADCAT Even though the name of this list is Radical Catalogers, the people who post are perfectly normal catalogers with normal cataloging questions
NGC4Lib (Next Generation Catalogs for Libraries) No longer active, but archives are still available
OCLC-CAT A discussion list for Catalogers who use OCLC; Fill in your name and check the box next to OCLC-CAT and any other list in which you are interested.
MARC Forum A specialized list open to anyone interested in discussing MARC 21 formats.
Metadatalibrarians A list geared toward discussing qualitative issues and metadata standards such as EAD, METS, MODS, MARCXML, DC, OAI, etc.
SERIALST An informal electronic forum for most aspects of serials processing in libraries
DEWEYERROR A list intended to distribute information about suspected errors in Dewey Decimal Classification (DDC) numbers.
AMIA-L An online forum for Moving Images Archivists.