Columbia subject headings:
Christian literature, Latin (Medieval and modern)--England--History and criticism.
Mysticism--History--Middle Ages, 600-1500.
Peter, of Cornwall, approximately 1140-1221.
Private revelations--Early works to 1800.
Purgatory in literature.
Visions in literature.
Visions--Early works to 1800.
Visions--History of doctrines--Middle Ages, 600-1500.
Voyages to the otherworld in literature.
Harvard subject headings:
Christian literature, Latin (Medieval and modern)--England--History and criticism.
Latin literature, Medieval and modern--England--History and criticism.
Mysticism--History--Middle Ages, 600-1500
Peter, of Cornwall, approximately 1140-1221.
Private revelations--Early works to 1800.
Purgatory in literature.
Visions in literature.
Visions--Early works to 1800
Visions--History of doctrines--Middle Ages, 600-1500.
Voyages to the otherworld in literature.
Princeton subject headings:
Christian literature, Latin (Medieval and modern)--England--History and criticism.
Mysticism--History--Middle Ages, 600-1500.
Peter, of Cornwall, approximately 1140-1221.
Private revelations--Early works to 1800.
Purgatory in literature.
Visions in literature.
Visions--Early works to 1800.
Visions--History of doctrines--Middle Ages, 600-1500.
Voyages to the otherworld in literature.