Biodiversity Heritage Library · page-17228207
Laboratory exercises in principles of agriculture — Illustration, Page 72
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BHL classifies this scanned page as Illustration. Publication: Laboratory exercises in principles of agriculture. Publication creators (not identified as the page's illustrator): Hopt, Erwin.; Spafford, Russell R.,. Contributing institutions: University of California Libraries. Bibliographic metadata supplied by BHL under CC0; image rights are separate.
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1914. Laboratory exercises in principles of agriculture — Illustration, Page 72. https://www.biodiversitylibrary.org/page/17228207
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