@incollection{Holtzmann, Papsttum Normannen,
address  = {},
author = {Holtzmann, Walther},
booktitle = {Miscellanea Bibliothecae Hertzianae 16},
keywords = {Vatikan und Papst; Byzantinisches Reich; Papsttum; Normannen; Holtzmann, Walther (1891-1963)},
pages = {69-76},
title={Papsttum, Normannen und griechische Kirche},
uniqueid = {449097},
url = {http://opac.regesta-imperii.de/id/449097},
year = {1961}
}