Boysak, Basil.
Ecumenism and Manuel Michael Olshavsky, Bishop of Mukachevo (1743-1767): analysis of the "Sermo de Unione" /

. - Montrǎl : Faculty of Theology, University of Montrǎl,  1967 
. - xxii, 233 p.  ill., map, ports.  23 cm. 
 - (Theologia Montis Regii  ; 49 )
<br/><br/> First published as thesis, Montreal, under title: Manuel Michael Olshavsky, Bishop of Mukachevo (1743-1767), and the unity of the Church in Carpatho-Ukraine. "Sermo de sacra occidentalem inter et orientalem Ecclesiam Unione," by M. M. Ol'shavs'kyi: p. 203-228..
<br/>К.: Бібліогр. : с. iv-xix 
<br/><br/><label>Subjects--Personal Names: </label><br/>Ольшавський, Мануїл 1700-1767