John H. Van EngenBooksRELIGION IN THE HISTORY OF THE MEDIEVAL WESTJews and Christians in twelfth-century EuropeDevotio modernaDevotio ModernaThe past and future of medieval studiesRupert of DeutzLearning institutionalizedRupert of Deutz (ca. 1075-1129)Sisters and brothers of the common lifeAuthor data: Open Library