URI(s)
- http://id.loc.gov/authorities/subjects/sh85097140
- http://id.loc.gov/authorities/sh85097140#concept
Components
- Permian
Variants
- Permian Period
Broader Terms
Narrower Terms
Closely Matching Concepts from Other Schemes
Broader Concepts from Other Schemes
LC Classification
- QE730
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
- 1988-05-17: revised
Alternate Formats