Chirovsky, Nicholas L. 1919-.
Ancient and Kievan-Galician Ukraine-Rus’ /
Nicholas L. Fr.-Chirovsky 
. - New York : Philosophical Library,  1981 
. - xxiv, 347 p.  ill., map.  23 cm. 
 - An introduction to Ukrainain history  v. 1 .
<br/>К.: Бібліогр. : c. 333-338, Index 
<br/><label>  ISBN: </label>8022-2248-X