First indicator - Note controller

0  Display note

1  Do not display note

Second indicator - Display constant controller

#  Data source

8  No display constant generated

Subfield codes:

a  Main entry heading (NR)

b  Edition (NR)

c  Qualifying information (NR)  [Pre-AACR2]

d  Place, publisher, and date of publication (NR)

g  Related parts (R)

h  Physical description (NR)

i   Relationship information (R)

j   Period of content (NR)

k  Series data for related item (R)

m Material-specific details (NR)

n  Note (R)

o  Other item identifier (R)

p  Abbreviated title (NR)

r   Report number (R)

s  Uniform title (NR)

t   Title (NR)

u  Standard Technical Report Number (NR)

v  Source contribution (NR)

w  Record control number (R)

x  International Standard Serial Number (NR)

y  CODEN designation (NR)

z  International Standard Book Number (R)  [Not used]

4  Relationship code (R)

6  Linkage (NR)

7  Control subfield (NR)  [Not used]

Character position 0 - Type of main entry heading

Character position 1 - Form of name

Character position 2 - Type of record

Character position 3 - Bibliographic level

8  Field link and sequence number (R)

NOTE:  See MARC 21 Format for Bibliographic Data (786 Data Source Entry) for code definitions not given below.


Field 786 contains information pertaining to a data source to which the described item is related.  It may contain information about other files, printed sources, or collection procedures.

Display constant

Data source:

Linking relationships

There is no other linking field paired with field 786.


The first indicator determines the display of the note.  Set the first indicator to value "0" when a note is desired; set to value "1" when a note is not desired.

The second indicator determines whether the display constant is generated or whether text added in subfield $i is intended to be displayed with the other data in the field.  When adding text to subfield $i to display with the field, set the second indicator to "8."


Subfields $j and $v are defined for use exclusively with this field.  For a description of all subfields defined for this field, see Linking Entry Fields - General Information.

245 00 College English.

786 0# United States. Defense Mapping Agency. $t Reno, NV-CA west digital terrain elevation data $v Data for reformatting to DEM format

[Monograph example]

Related fields, etc.

Linking Entry Fields - General Information

786 Data Source Entry  (MARC 21 Format for Bibliographic Data)

See also:

76X-78X  Linking Entry Fields

Variable Data Fields

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

CONSER Editing Guide:  Contents