Meyendorff, Paul.
Russia, Ritual, and Reform: the liturgical reforms of Nikon in the 17th century /
Paul Meyendorff 
. - Crestwood : St.Vladimir's Seminary Press,  1991 
. - 235 p.  23 cm. 
<br/><label>  ISBN: </label>0-88141-090-X 
<br/><br/><label>Subjects--Personal Names: </label><br/>Nikon Patriarch of Moscow and of Russia  1605-1681 --Contributions in liturgical reform