01172caa a2200229 u 4500000000096183CaOOAMICUS20070226130145.0040720s1983 it u000 u eng u11005079IARitaLadner, Gerhart B.(Gerhart Burian),1905-1993.(OLS)http://pul/name/15121Two Gregorian letters :On the sources and nature of Gregory VII' reform ideology /Gerhart B. Ladner.Roma :Edizioni di Storia e Letteratura,1983.S. 665-686, ;25 cmGregorius PP.VII,s.,c. 1004-1085.(OLS)http://pul/subject/1399Images and ideas in the Middle Ages : Selected studies in history and art.v.2Ladner, Gerhart B.Images and ideas in the Middle Ages : selected studies in history and art()20192GregorioVII,papa,c. 1004-10851399Ildebrando della Tuscia,c. 1004-10851399245Two Gregorian letters :On the sources and nature of Gregory VII' reform ideology(OLS)http://pul/title/123060260Roma :Edizioni di Storia e Letteratura(OLS)http://pul/publisher/48123