González Cremona, José Manuel. <br/><br/>
Diccionario de los papas 
J.M. González Cremona y P. D. González Nogales. 
 - Barcelona  Editorial Mitre  c1989. 
 - 263 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Popes--Dictionaries.<br/>Encyclicals Papal.<br/>Councils and synods ecumenical.