URI(s)
Codes
- e-sp---
Identifies LC/NAF RWO
Identifies RWO
Exact Matching Concepts from Other Schemes
Closely Matching Concepts from Other Schemes
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1980-08-19: new
- 2013-02-21: revised
Alternate Formats