Simon, Konstantin.
The Ruthenian emigration in the United States of America : the earliest years, (1884-1894) /
Pontificium Institutum Orientale 
. - Romae : 1988 
. - p. xv, 388-428  24 cm. 
<br/><br/> Дарчий напис : Konstantin Simon. Excerpta e dissertatione ad lauream.
<br/>К.: Бібліогр. : с. IX-XV