Variable Data Fields
Headings- -General Information
20X - 24X Title and Title-Related Fields
250 - 28X Edition, Imprint, Etc. Fields
3XX Physical Description, Etc. Fields
800 - 840 Series Added Entries
841 - 88X Holdings, Alternate Graphics, Etc.
See also:
Section E. USMARC Format for Serials as Applied Within CONSER