Supplement Note (525)
MARC Field 525 records the issuance of supplements or special issues not input as separate records (not recorded in field 770). Field 525 is used for unnamed supplements and/or special issues, but named supplements that are not cataloged on a separate record may also be mentioned. (CEG5xxp23)
525 ## $a Has numerous supplements.
525 ## $a Supplements accompany some issues.
525 ## Separately paged supplement accompanies v. 5.
525 ## Some issues accompanied by separately paged supplements and sections consisting principally of convention proceedings and lists of members and branch societies.
525 ## Has supplement: Exposición y aspectos metodológicos.
740 02 Exposición y aspectos metodológicos.
The supplement note is also appropriate for making note of special issues.  Â
525 ## $a Some volumes called special issues.