Bernhard von Clairvaux.
Complete Works in Latin/German. Ed. by G.B. Winkler. 10 vols. Innsbruck, Tyrolia 1990-99. Gr.8°. Opbde. with OU. The authoritative edition of the works of the Burgundian knight's son Bernard of Clairvaux (1090-1153), founder of the Cistercian Order of Citaux in 1113.