Mailleux, Paul.
Exarch Leonid Feodorov: bridgebuilder between Rome and Moscow /
by Paul Mailleux 
. - New York : Kenedy & Sons,  1964 
. - vi, 247 p.  ill., map.  21 cm. 
<br/>К.: Бібліогр. в прим. : с. 227-234, Покажчик 
<br/><br/><label>Subjects--Personal Names: </label><br/>Feodorov, Leonid exarch  1879-1935