Pottmeyer, Hermann J..
Towards a papacy in communion: Perspectives from Vatican councils I and II /
Translated by Matthew J. O'Connell 
. - New York : A Herder and Herder Book, The Crossroad Publishing Cpom,  1998 
. - 141 p.  21 cm. 
 - ((Ut unum sint; Studies on papal primacy). )
<br/><label>  ISBN: </label>0-8245-1776-8