URI(s)
- http://id.loc.gov/authorities/subjects/sh93006271
- http://id.loc.gov/authorities/sh93006271#concept
Broader Terms
Closely Matching Concepts from Other Schemes
Sources
- found: Work cat.: McDonald, A. Early American soil conservationists, 1986.
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1993-08-31: new
- 1993-10-12: revised
Alternate Formats
