Simpson, Geo. W..
The Names ''Rus", ''Russia", "Ukraine" and their Historical Background  /

. - Winnipeg : Ukrainian National Ass'n in America,  1951 
. - 24 p.  21 cm. 
 - ((Slavistica: Proceeding of the Institute of Slavistics )
<br/><br/> Парал. титул укр..
<br/>К.: Іл.