Yale University Library Cataloging Documentation
Appendix: Obsolete Fields
851 (Location)
Use 852 , as of mid-1990s.
909 (Tape Load Instruction)
Began using 927 instead, as of 5/4/99.
Use
ExportQ , as of migration to Voyager, 6/02. Existing 909 fields were not retained in Voyager migration.
927 (Tape Load Instruction)
Use ExportQ, as of migration to Voyager, 6/02. Existing 927 fields were retained in Voyager migration.
928 (Authority Control Load Instruction)
Use ExportQ, as of migration to Voyager, 6/02. Existing 928 fields were retained in Voyager migration.
940 (Location Codes)
Use Mfhd 852 |b, as of migration to Voyager, 6/02. Existing 940 fields were not retained in Voyager migration.
948 (Local Processing Information)
Use Mfhd 852 |x, as of migration to Voyager, 6/02. Previously used only for information migrated from 949 fields from Notis bibligraphic records and Title Level Notes fields in Notis copy holdings records.
949 (Local Processing Notes)
Use Mfhd 852 |x, as of migration to Voyager, 6/02. When used in Notis, "949" was entered in a Title Level Notes field in the Notis copy holdings record. 949 fields created in Notis were converted to 948 fields in Voyager migration, 6/02.
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