Engelberg, Stiftsbibliothek, Cod. 139 : Bernardi Claraevallensis abbatis de consideratione

This codex contains the letter, known as De consideratione of the Cistercian Abbot Bernard of Clairvaux (ca. 1090-1153) to Pope Eugenius III. The writing was first completed in 1152; the two-lined dedicatory verse on 1r names Abbot Frowin (1143-1178) as having commissioned the Engelberg copy, and attests to the rapid spread of the work. The beginnings and endings of the five books are marked out w…