Columbia subject headings:
Mysticism--Catholic Church.
Harvard subject headings:
Mysticism--History--Middle Ages, 600-1500
Rudolf, von Biberach, approximately 1270- De septem itineribus aeternitatis.
Rudolf, von Biberach, approximately 1270---Manuscripts.
Stiftsbibliothek Einsiedeln. Manuscript. 278.
Princeton subject headings:
Mysticism--History--Middle Ages, 600-1500.