Osten-Sacken
The taxon authority Osten-Sacken or Остен-Сакен may refer to:
- Carl-Robert von Osten-Sacken (1828–1906, C.-R.Ost.-Sack.), Russian entomologist and diplomat
- Reinhold Friedrich von der Osten-Sacken (1832–1916, Ost.-Sack.), Russian geographer and diplomat
See also:
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