Roma, Editiones Cistercienses 1967 2 works bound in one physical volume, 255 + 334pp., in the series "Bibliotheca Cisterciensis" volumes 4-5, 27cm., bound in a firm and solid hardcover (with few small stains), gilt title on spine, text in Latin, text is clean and bright, good condition, weight: 1.5 kg., R117477