Fletcher, R. A..
The episcopate in the kingdom of Len̤ in the twelfth century /
R.A. Fletcher 
. - Oxford : Oxford University Press,  1978 
. - x, 288 p.  ill.  23 cm. 
 - (Oxford historical monographs )
<br/>К.: Бібліогр. : c. 266-278, Index 
<br/><label>  ISBN: </label>0-19-821869-9