Textual description of the holdings of a basic bibliographic unit in the collections of the reporting organization. It may be used instead of or in addition to field 863 (Enumeration and Chronology Basic Bibliographic Unit) and any related field 853 (Captions and Pattern--Basic Bibliographic Unit) to record and/or display all or part of the holdings.
Guidelines for applying the content designators for field 866 are given in the 866-868 Textual Holdings--General Information section.
General description of the four types of holdings data fields, their relationship to each other, and the repeatability of each is given in the 853-878 Holdings Data-General Information section.
|866||31$80$a1-86 (1941-1987)$xbound in 2 v. per year$zSome issues missing
[The 866 field replaces both 863 fields. The library records actual detailed holdings in the 863 fields, but the display shows summary holdings with non-public and public notes.]