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Creator
- Henderson, Robert W. (Robert Wesley), 1914-2006 28
Topic
- Agriculture--Economic aspects 28
- Agricultural productivity 5
- International trade 4
- Livestock 4
- Exhibitions 3
- Marketing 2
- Agricultural exhibitions 1
- Agriculture and energy 1
- Cartels 1
- Energy consumption 1
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Language
- English 28
Format
- image/tiff 28
Decade
- 1970-1979 28