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| Tag | Ind 1 | Ind 2 | Subfield Codes | Definition |
| 899 | Special use codes for aggregators and other collections and projects (formerly RLIN Local Series Field). For valid codes, see table of MARC 899 Codes | |||
*blank | Electronic | |||
| 0 | Local digitization electronic collections | |||
1 | Print and other | |||
2 | Enhanced electronic | |||
| $a | Code for vendor |
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