1.
図書 |
Li︠a︡shchenko, Petr I. (Petr Ivanovich), 1876-1955
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2.
図書 |
П.И. Лященко
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3.
図書 |
П.И. Лященко
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4.
図書 |
by Peter I. Lyashchenko ; translated by L.M. Herman ; introduction by Calvin B. Hoover ; maps redrawn under the supervision of Leonard H. Dykes
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