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 
 - Moscow,  : Progress  , 1968 
 - 421 p. with illus. 
<br/><br/> Translation of Ot srednevekovʹi︠a︡ k vershinam sovremennogo progressa. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>Dewey Class. No.: </label>309.158 4 LEA