|1st Indicator Undefined|
|2nd Indicator Undefined|
|Subfields (R=Repeatable NR=Nonrepeatable)||Input Standards|
|‡a||Classification number (NR)||Mandatory/Mandatory|
|‡b||Item number (NR)||Optional/Optional|
|‡e||Feature heading (NR)||Optional/Optional|
|‡f||Filing suffix (NR)||Optional/Optional|
Call numbers based on National Library of Medicine (NLM) or Library of Congress (LC) classification schedules and assigned by any library other than NLM. If you use LC classification for all materials, use field 050 or field 090.
If you are transcribing LC or NLM copy, use field 060 for the NLM-assigned call number. Only field 060 remains with the master record if new records have field 060 and field 096. Field 096 is still retained in archive records, institution records, OCLC-MARC records, and exported records.
If you assign a National Library of Medicine classification number according to the NLM class schedules, use field 096 or field 060 with indicators "14." If the classification portion of your number does not conform to the NLM class schedules, use field 099.
|Undefined. The 1st indicator position is undefined and contains a blank ( ).|
|Undefined. The 2nd indicator position is undefined and contains a blank ( ).|
|‡a Classification number||The complete call number or the class number portion. Enter spaces in the NLM call number to conform to NLM formatting practice. Enter one space to indicate each new printing line.|
|‡b Item number||The item number portion of the NLM call number. Subfield ‡b is optional. You may enter the complete call number in subfield ‡a. |
Your use of subfield ‡b in the 060 and 096 fields affects the processing and use of OCLC-MARC records.
The National Library of Medicine uses the Cutter-Sanborn Three Figure Author Table (1969) for assigning Cutter numbers. OCLC recommends that health science libraries use this same table for assigning Cutter numbers.
|‡e Feature heading||A feature heading from a classified catalog. Data in subfield ‡e print on cards and display in label displays as if they were in subfield ‡b.|
|‡f Filing suffix||A filing suffix from a classified catalog. Data in subfield ‡f print on cards and display in label displays as if they were in subfield ‡b.|
|See field 060 (National Library of Medicine Call Number) for more information about NLM call numbers.|