@Book{BVMC:624381, author = {Angelo da Vallombrosa}, title = {Oratio Angeli anachorite Vallisumbrose pro Concilio Lateranensi contra Conuenticulum Pisanum}, url = {https://www.cervantesvirtual.com/obra/oratio-angeli-anachorite-vallisumbrose-pro-concilio-lateranensi-contra-conuenticulum-pisanum} }