classifications
| search classifications for: Liebig, Justus, Freiherr von (Baron) |
Chemists, including physical, industrial, agricultural, analytical, (in)organic (but not biochemistry)
Personalities - agriculturists, farmers, horticulturists, plant breeders, agronomists, farm workers, ranchers, land agents, vintners, orchardists, agricultural writers
Germany
Barons, baronesses
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