Sokolyszyn, Aleksander.
Ukrainians in Canada and the United States: a guide to information sources /
Aleksander Sokolyszyn, Vladimir Wertsman 
. - Detroit : Gale Research Company,  1981 
. - xiv, 236 p.  23 cm. 
 - Ethnic studies information guide series  v. 7 .
<br/><label>  ISBN: </label>0-8103-1494-0