Changes

[http://www.loc.gov/marc/marbi/marbi.html Machine-Readable Bibliographic Information (MARBI)]

[http://olacinc.org/drupal/ Online Audiovisual Catalogers (OLAC)]

[http://www.loc.gov/catdir/pcc/ Program for Cooperative Cataloging (PCC)]

*[http://www.loc.gov/catdir/pcc/bibco/bibco.html Monographic Bibliographic Record Program of the PCC (BIBCO)]