Salzburg: Otto Müller, (1954). First Thus. 8vo. 6.5 x 9.25 in. 414 pp. A handsome German edition of the first work of the mystical Benedictine Abbess Hildegard von Bingen's visionary theology, SCIVIAS ('sci vias Domini', i.e. 'know the ways of the Lord'), illustrated with 35 beautiful plates. Bright orange cloth.....