| LC control no. | sh 91003311 |
|---|---|
| LC classification | DK90 |
| Geographic heading | Kievan Rus--History--Mongol Invasion, 1237-1241 |
| Variant(s) | Batu Khan's Invasion, Kievan Rus, 1237-1241 Mongol Invasion, Kievan Rus, 1237-1241 Tatar Invasion, Kievan Rus, 1237-1241 |
| Found in | Britannica: v. 22, p. 471. Collier's: v. 22, p. 575. Encyc. of Ukraine: v. I, p. 186. Great Soviet encyc.: v. 22, p. 371, under Rus. |
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