Field definition and scope:

Field 071 contains the call number and other information relating to second copies or sets assigned by the National Agricultural Library.  Field 071 is used only for class numbers and call numbers relating to second copies and sets assigned by the National Agricultural Library.

The National level record requirement for this field is Optional.

Field 071 is repeatable.

Guidelines for applying content designators:

For indicator and subfield code definitions and examples, National-level (NLR) and Minimal-level (MLR) record requirements, and designator repeatability, see table below:

Position

Description

NLR

MLR

Repeatability

Field 071

National Agricultural Library Copy Statement

O

O

R

Indicator:

 

 

 

 

First

Undefined; contains a blank

M

 

 

Second

Undefined; contains a blank

M

 

 

 

 

 

 

 

Subfield code:

 

 

 

 

$a

Classification number

M

O

R

$b

Item number

A

O

NR

$c

Copy information

A

O

NR

$8

Field link and sequence number

O

O

R

Content designator history:

Second Indicator - Series call number  (SE)  [obsolete]:  In the serials specifications, the use of the second indicator position to indicate the type of series was made obsolete in 1976.  The values were:  0 (No series involved), 1 (Main series), 2 (Subseries), and 3 (Sub-subseries).

Related MARC fields or documents:

Library of Congress Classification

USDA Library Classification Schedules

See also:

0XX  Numbers and Codes

Variable Data Fields