070  National Agricultural Library Classification Number (R)  (Variable Data Field)

Field definition and scope:

Field 070 contains a classification number or another number assigned to the community information entity by the National Agricultural Library (NAL).

NAL assigns classification numbers from the Library of Congress Classification or LC Classification--Additions and Changes; two publications that are maintained by the Library of Congress.

Field 070 is repeatable.

Guidelines for applying content designators:

For indicator and subfield code definitions and examples, and designator repeatability, see table below:

Input conventions:

Punctuation

Capitalization

Related MARC fields or documents:

Library of Congress Classification

LC Classification--Additions and Changes

See also:

01X-09X  Numbers and Codes

Variable Data Fields