Clucas, Lowell.
The Hesychast controversy in Byzantium in the fourteenth century: a consideration of the basic evidence : a dissertation submitted in partial satisfaction of the requirements for the degree of Doctor of philosophy in history /
Lowell Clucas 
. - Ann Arbor : Xerox University Microfilms,  1976 
. - x, 626 p. 
<br/><br/> Віддрук. на розмн. апараті.
<br/>К.: Бібліогр. : c. 605-626