First indicator - Existence in NAL collection

0  Item is in NAL

1  Item is not in NAL

Second indicator:

#  Undefined


a  Classification number (R)

b  Item number (NR)

8  Field link and sequence number (R)

NOTE:  See MARC 21 Format for Bibliographic Data (070 National Agricultural Library Call Number) for code definitions not given below.


Field 070 contains either a complete NAL call number or only an NAL classification number.  A complete NAL call number consists of an LC class number and an item number.  The call number is delimited by subfield $b only in the case of dates and in the case of numbers beginning with "Fo".  NAL call numbers are assigned and input only by NAL.

070 0# HD3492.H8L3

070 0# QH505.AlB53

070 0# S562.5M3 $b 1909

070 0# Fo $b G104.6.J1K3

NAL call numbers assigned before Jan. 1966 were constructed according to the Scheme of Classification for the United States Department of Agriculture Library.  This includes monographic series for analytics cataloged before 1966 and title changes to serials (cataloged before Oct. 1, 1985) if the original title was cataloged before 1966.

070 0# 05.2 $b W122

070 0# A281.9 $b Ag93 No. 307

070 0# 30.78 $b A278

Related fields, etc.

070 National Agricultural Library Call Number  (MARC 21 Format for Bibliographic Data)

See also:

01X-09X  Numbers and Codes

Variable Data Fields

Section E.  MARC 21 Format for Serials as Applied Within CONSER

CONSER Editing Guide:  Contents