Halecki, Oskar  (1891-1973). <br/><br/>
A History of Poland / 
O. Halecki ; [transl. by Monica M. Gardner and Mary Corbridge-Patkaniowska]. 
 - 2 ed. 
 - New York :  Roy,  1943. 
 - XIII, 336 s. ;  22 cm. 
<br/><br/> KVK online.