074 - GPO Item Number (R)
MARC 21 Bibliographic - Full
October 2000
First Indicator
Undefined
# - Undefined
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Second Indicator
Undefined
# - Undefined
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Subfield Codes
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$a - GPO item number (NR)
$z - Canceled/invalid GPO item number (R)
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$8 - Field link and sequence number (R)
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FIELD DEFINITION AND SCOPE
Item number assigned to publications by the U.S. Government Printing Office (GPO) to
manage their distribution to libraries within its Depository Library System. Numbers are
assigned from the List of Classes of United States Government Publications Available
for Selection by Depository Libraries.
Item numbers may be assigned to a category of publications, a series, or an individual
title. The GPO item number is an agency-assigned data element.
The GPO item number is not the same as the unique number that identifies each entry in
the Monthly Catalog of Government Publications, nor is it an order number.
GUIDELINES FOR APPLYING CONTENT DESIGNATORS
■ INDICATORS
- Both indicator positions are undefined; each contains a blank (#).
■ SUBFIELD CODES
$a - GPO item number Qualifiers such as MF for microfilm are included in subfield
$a.
GPO Item No. : may be generated for display.
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| 074 |
##$a334-C-1
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| 074 |
##$a277-A-2 (MF)
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| 074 |
##$a1002-A
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| 074 |
##$a1002-B (MF)
[Two GPO item numbers associated with one record.] |
$z - Canceled/invalid GPO item number GPO item number that has been canceled or incorrectly transcribed onto a
bibliographic record. Subfield $z is repeated for multiple canceled or
invalid GPO item numbers. Incorrect item numbers that GPO uses for distribution
remain valid numbers in subfield $a.
$8 - Field link and sequence number
INPUT CONVENTIONS
Punctuation - Field 074 does not end with a period unless the field ends with an abbreviation,
initial/letter, or other data that ends with a period.
Multiple Numbers - If a document has GPO item numbers for the paper copy and the microfiche copy, the item
number for the paper copy appears in the first 074 field. The letters
MF
enclosed in parentheses follow the microfiche number.
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| 074 |
##$a1033
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| 074 |
##$a1033-A (MF)
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If a publication is distributed to depository libraries more than once in the same
format under different GPO item numbers, the item numbers are input so that the first
item number is associated with the first distribution; the item number associated with
the most recent distribution is in the last 074 field. If the publications also have
different Superintendent of Documents classification numbers, the 074 and 086
(Government Document Classification Number) fields are input in the same order so as to
indicate which item number pertains to which classification number, for instance, the
first item number listed matches the first classification number listed.
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| 074 |
##$a0466-A-03 (MF)
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| 074 |
##$a0455 (MF)
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| 086 |
0#$aED 1.310/2: |
| 086 |
0#$aED 1.1. |
If multipart monographs have volumes or parts which are distributed in the same format
under different GPO item numbers, the item numbers are input in volume or part number
order. The volume or part is indicated in parentheses following the item number. If the
volumes or parts also have different Superintendent of Documents classification numbers,
the 086 fields are arranged in the same order as the 074 fields to which they apply.
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| 074 |
##$a0621 (V.1)
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| 074 |
##$a0629 (V.2)
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| 086 |
0#$aI 19.2:W 68/ |
| 086 |
0#$aI 19.3:1620 |
If a serial has different volumes or parts which are distributed in the same format
under different item numbers over a period of time, the item numbers are input so that
the earliest item number is in the first 074 field; the most recent item number is in
the last 074 field. If the volumes or parts also have different Superintendent of
Documents classification numbers, the 086 fields are arranged in the same order as the
074 fields to which they relate. For paper and microfiche and for multiple numbers for
one serial part, the above instructions apply.
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| 074 |
##$a0956
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| 074 |
##$a0956-F
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| 086 |
0#$aT 22.2:T 19/20/ |
| 086 |
0#$aT 22.57 |
Display Constant
The legend
GPO Item No.: that precedes the GPO item number in subfield
$a in display is not carried in the MARC record. It may be system generated
as a display constant associated with subfield $a.
Multiple 074 fields may be displayed together. Punctuation may be used to separate (;)
and end (.) the display of the data from the field. This punctuation is not carried in
the MARC record but may be system generated as a display constant associated with
multiple 074 fields.
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Content designated fields:
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| 074 |
##$a1002-A
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| 074 |
##$a1002-B (MF)
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Display example:
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GPO Item No.: 1002-A; 1002-B (MF).
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