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949 subfields (override codes)

To override the default data supplied by the Expansion Tables, enter data directly into the appropriate subfields.

The Expansion Table Codes, which go in ‡a, are maintained by Beth Siers in an Excel spreadsheet.

For more details about our use of the MARC format for holdings data, see MARC holdings: Field definitions.

949 code Description HOL area affected Item area affected
b#

Second indicator
0 = expand to form both HOL record and item record
1 = HOL record only

   
a

Expansion Table Code (usually fills in the *starred* fields below)

   
b

*Sub-location

852 ‡b

Z30-SUB-LIBRARY

c

*Collection

852 ‡c

Z30-COLLECTION

d

previously: where to pull call # from; no longer used

   
g

Note (used for holdings and notes)

866 ‡a

 
h

*Classification (MIT uses for whole call #)

852 ‡h

Z30-CALL-NO$$h

k

*Call number prefix

852 ‡k

Z30-CALL-NO$$k

m

*Call number suffix (R)

852 ‡m

Z30-CALL-NO$$m

o

Shelving scheme (call # type)

852 1st ind.

Z30-CALL-NO-TYPE

p

Barcode

 

Z30-BARCODE

r

Cataloger

 

Z30-CATALOGER

u

HOL note in 866

866 ‡z

 
v

Description

 

Z30-DESCRIPTION

w

previously: material type; no longer used

   
x

*Circ code

 

Z30-ITEM-STATUS

y

Circ note

 

Z30-NOTE-CIRCULATION

z

Public note

 

Z30-NOTE-OPAC

n.b. : numerical subfields below are not currently accepted for entry in OCLC

1

Public note in HOL 852

852 ‡z

Z30-CALL-NO$$z

2

When 852 1st ind. (shelving scheme) is "7", this identifies the scheme being used (i.e. "Hfcl")

852 ‡2

Z30-CALL-NO$$2

4

Processing status

 

Z30-ITEM-PROCESS-STATUS

7

Temporary location flag (use Y or N)

 

Z30-TEMP-LOCATION

Please send comments and suggestions to sercat@mit.edu. Last updated: May 15, 2008