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- Local digital collections (such as DigitalCommons@ILR or MediaSpace) at the collection level and & item level.
- Resources approved to appear under by the Database Review Committee (DRC) for listing in Databases.
- Other resources at the discretion of the E-Resources unit.
- Please contact e-resources@cornell.edu to request or update a PURL.
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- Resources that already have persistent links. These include:
- Previously assigned PURLS. Generally, these will be US government documents with GPO PURLS.
- Links using the Handle System. These start with "hdl.handle.net".
- DOI links. These start with "dx.doi.org".
- Resources loaded from Serials Solutions. These have a 948 $hSerialSolutions in the Voyager record. Any edits will be removed in the subsequent record load.
- Resources not directly or indirectly maintained by Cornell.