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Subject
- Plant geneticists[remove]14
- Vavilov, N. I. (Nikolaĭ Ivanovich), 1887-194312
- History11
- Plant breeders11
- Plant breeding10
- Plant genetics10
- Political purges7
- Science and state6
- Political atrocities3
- Research3
- Botany2
- Genetics2
- Vavilov, N. I. (Nikolaĭ Ivanovich), 1887-19432
- Communism1
- Correspondence1
- Crops1
- Friends and associates1
- History, 20th Century1
- Imprisonment1
- Sakharova, Ekaterina1