English summary: The letter collections of Lanfrank (+1089) and St. Anselm von Canterbury (+1109), archbishops of Canterbury, and of Gilbert Foliot, bishop of Hereford and London (+1188/1189) contain important information about the relations between England and the Papacy, that are systematically collected in cr. 450 regesta. German description: Im ersten Band der Unterreihe Anglia Pontificia - Subsidia des Gottinger Papsturkundenwerkes...