Vasily Radlov
…to East Turkestan (e.g., by Mikhail Berezovsky in 1905–06, by Sergei Oldenburg in 1909, by Sergey Malov in 1909–11 and 1913–14). Radlov assisted Grigory Potanin on his glossary of Salar language, Western Yugur language, and Eastern Yugur language in Potanin's 1893 book The Tangut-Tibetan Borderlands of China…