Halecki, Oskar  (1891-1973). <br/><br/>
Borderlands of western civilization :  a history of East Central Europe / 
by Oskar Halecki. 
 - New York :  The Ronald Press,  cop. 1952. 
 - 503 s. :  il. ;  22 cm. 
<br/><br/> KVK online.