VRA Core Schemas and Documentation
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- VRA Core 4.0 Schemas (current version - released 4/9/07)
- Unrestricted Version - specifies the basic structure of the schema
- Restricted Version - extends the unrestricted schema by adding controlled type lists and date formats
- 4.0 Supporting Documentation
- Previous Versions
- VRA Core 1.0 Introduction (last updated 12/01/1999)
- VRA Core 1.0 Categories (last updated 1996) Originally published as Wees, Dustin J., "Core Categories for Visual Resources. A Draft Proposed by the VRA Data Standards Committee." VRA Bulletin 23, 3 (Fall 1996), pp. 57-63.