645 - SERIES TRACING PRACTICE (R)

A code that indicates a specific organization's tracing practice for a series named in the 1XX field of an established heading record for a series. The volumes/dates and/or the institution/copy identification to which the tracing practice applies may also be present.

Indicators

Subfield Codes

Examples


645

##$at$5DLC

645

##$at$ditems cataloged after Dec. 31 1980

645

##$an$ditems cataloged before Jan. 1 1981

645

##$an$5DLC

645

##$an$5DLC$5MH