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- Intellectual life6
- History5
- Darwin, Charles, 1809-18822
- Evolution (Biology)2
- On the origin of species2
- Social aspects2
- Anniversaries, etc1
- Editors1
- Frederick II, King of Prussia, 1712-17861
- Geochemists1
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- History of the 20th - 21st centuries1
- Humboldt, Alexander von, 1769-18591
- Intellectuals1
- Preuss, Johann David Erdmann, 1785-18681
- Research1
- Satpaev, Kanysh Imantaevich, 1899-19641
- Science1
- Scientists1