[Tregubov, Andrew, Kroug, Gregory]..
The Light of Christ: Iconography of Gregory Kroug /
Text and Photographs by Andrew Tregubov 
. - Crestwood : St. Vladimir's Seminary Press,  1990 
. - 50 p.  36 cm. 
<br/>К.: Іл. 
<br/><label>  ISBN: </label>0-88141-096-9