%0 Book Section %B Renaissance Studies in Honor of Hans Baron %D 1971 %T The Popularity of Twelfth Century Spiritual Writers in the Late Middle Ages %A Constable, Giles %E Molho, Anthony %E Tedeschi, John A. %B Renaissance Studies in Honor of Hans Baron %I Northern Illinois University Press %C DeKalb %P 5–28 %G eng %0 Book %D 1967 %T The Letters of Peter the Venerable %E Constable, Giles %I Princeton University Press %C Cambridge, Mass %V 2 %G eng, lat