Centro Internacional  del  ISSN
http://www.issn.org/index.html

Centro de Copyright
http://www.copyright.com/

MARC Standars
http://lcweb.loc.gov/marc/

ISO. International Standar Organization
http://www.iso.org/

ODLIS: Online Dictionary of Library and Information Science
http://vax.wcsu.edu/library/ODLIS.html

Desarrollo de Colecciones
http://es.geocities.com/scienceofinformation_dc/

AACR2 : Access Points
http://130.15.161.74/techserv/cat/Sect02a/c02a2.html

AACR2 : Descriptive Cataloguing for Monographs
http://130.15.161.74/techserv/cat/Sect02/c02a2.html

AACR2 Revisions and LC Rule Interpretations
http://infoshare1.princeton.edu/katmandu/desc/lcriin1.html

Application of MeSH for Medical Catalogers
http://www.nlm.nih.gov/tsd/cataloging/catmesh.html

Cataloguers toolbox
http://www.mun.ca/library/cat/index.html

Cataloguing Cheat Sheets
http://www.slc.bc.ca/cheats/

CC:DA. Committee on Cataloging: Description and Access of ALA
http://www.ala.org/alcts/organization/ccs/ccda/ccda.html

LC. The Cataloging Policy and Support Office
http://lcweb.loc.gov/catdir/cpso/

Descriptive Cataloging of Rare Books, 2nd Edition
http://www.tlcdelivers.com/tlc/crs/rare0170.htm

Directory of Web rerources for the rare materials cataloger
http://www.library.upenn.edu/ipc/rarecat.html

English Short-Title Catalog
http://cbsr26.ucr.edu/estcmain.html

LC Cataloging Newsline Online Newsletter of the Cataloging Directorate
http://lcweb.loc.gov/catdir/lccn/lccn.html

Map Cataloging Manual
http://www.tlcdelivers.com/tlc/crs/map0001.htm

Map Cataloging
http://ucs.orst.edu/~reeset/html/tools.html

Guidelines for OPAC displays by Martha M. Yee
http://www.ifla.org/IV/ifla65/papers/098-131e.htm

OCLC. Cataloging Internet Resouces
http://www.oclc.org/oclc/man/9256cat/toc.htm

Online Audiovisual Cataloguers
http://ublib.buffalo.edu/libraries/units/cts/olac/

PCC. Program for Cooperative Cataloging of LC
http://lcweb.loc.gov/catdir/pcc/pcc.html

Research on library catalogues and cataloguing
http://www.mun.ca/library/cat/research.htm

Special Libraries Cataloguing
http://www.slc.bc.ca/

Tesauro de Biología (ejemplo)
http://www.cindoc.csic.es/webpublic/label44b.htm

Tools for Serial Catalogers
http://www.library.vanderbilt.edu/ercelawn/serials.html

Concise UNIMARC Classification Format (20001031)
http://www.ifla.org/VI/3/p1996-1/concise.htm

Dewey Decimal Classification
http://www.oclc.org/fp/

Basic LC Cutter Table
http://macfadden.mit.edu:9500/colserv/cat/lc/lc-cut.htm

LC Cutter Tables
http://www.tlcdelivers.com/tlc/crs/cutr0001.htm

Library of Congress Classification System
http://geography.miningco.com/science/geography/library/congress/bllc.htm

LC Classification Outline, 6th Edition
http://www.tlcdelivers.com/tlc/crs/lcso0001.htm

Library of Concress Thesauri
http://lcweb.loc.gov/pmei/lexico?pub-237&frames&TGM-I&

Metadata standards, crosswalks, and standard organizations
http://www.mun.ca/library/cat/standards.htm

Thesaurus for Graphic Materials I: Genre and Physical Characteristic Terms
http://lcweb.loc.gov/rr/print/tgm1/

Tesauro de Educación
http://www.ucm.es/info/DAP/tesauro.htm

Tesauro de Ingenieria Hidraúlica
http://hispagua.cedex.es/Grupo1/Tes_hidro/Tesauro.htm

Tesauro de SIGNUM en línea
http://www.lenguaje.com/tesauro/