DAS 'BUOCH DER TUGENDEN', A 14TH-CENTURY COMPENDIUM ON MORALITY AND LAW BASED ON AQUINAS,THOMAS 'SUMMA THEOLOGICAE' AND OTHER SCHOLASTIC AND CANONICAL WORKS, VOL 1, INTRODUCTION AND MIDDLE-HIGH-GERMAN TEXT, VOL 2, LATIN SOURCES - GERMAN - BERG,K, KASPER,M