@book{3545,
	author = {Tellenbach, Gerd, and Medieval Academy of America.},
	title = {Church, state, and Christian society at the time of the investiture contest /},
	publisher = {University of Toronto Press in association with the Medieval Academy of America,},
	year = {c1991.},
	address = {Toronto ;},
	note = {Translation of: Libertas.}
}