581  Publications About Described Materials Note (R)

Definition

A note for the citation of, or information about, a publication based on the analysis, study, or use of the materials. Use field 581 also for citations to published sources, such as collection or exhibition catalogs, that contain photocopies or reproductions of items.

Use field 556 if the note is about the documentation of a file.

For information on punctuation, see the Punctuation section below.

1st Indicator

Display constant controller. A value that controls the generation of the display constant preceding the note.

2nd Indicator

Undefined. The 2nd indicator position is undefined and contains a blank.

Subfields

Punctuation

For records containing punctuation, follow these instructions:

• Optionally, follow an initial subfield ǂ3 by a colon-space or a space-colon-space if following an open date
• Include incidental punctuation needed within any subfields, e.g., commas, periods (following abbreviations or initials), etc.
• Optionally, add a terminal period at the end of the field (preceding subfield ǂz) unless the last subfield ends with an ellipsis or period (following an abbreviation or initial)

For records containing minimal or no punctuation, include incidental punctuation needed within any subfields. Otherwise, omit the punctuation outlined above.

For more information on punctuation, including OCLC policy, see section 2.8, Punctuation.

Indexing

Field 581 is not indexed.

MARC 21

For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 581.