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| PNX element | Description | MARC elements |
|---|---|---|
| lad01 | Aeon flag for GES display logic (prevent display of S&D/ILL) | AVA |
| lad02 | Availability flag used to determine when to show BD/ILL links. Calculated from availability statements in AVA fields. If there are no items, show as available | AVA |
| lad11 | field used to pass through Harvard repo values to search scopes | VIA repositories |