A leap through the centuries / [translated from the Russian by David Fidlon; edited by David Skvirsky; designed by B. Astafyev; supervising editor of the Russian edition, M. Djunusov] Ot srednevekovʹi︠a︡ k vershinam sovremennogo progressa. English Institut filosofii (Akademii︠a︡ nauk SSSR) HN750.C4 A653 338.9 LEA Translation of Ot srednevekovʹi︠a︡ k vershinam sovremennogo progressa. Bibliographical footnotes. Moscow : Progress, 1968. 1968. 1968 Text 421 p. ; eng engrus Asia, Central Social conditions. Asia, Central Politics and government. Asia, Central Economic conditions.