Columbia subject headings:
Harvard subject headings:
Carthusians--History.
Charterhouse of Perth--History.
Cloud of unknowing.
Monasteries--England
Perth (Scotland)--Church history.
Sidegreaves, Bernard.
Princeton subject headings:
Carthusians--History--Scotland.
Cloud of unknowing.
Monasteries--Scotland.
Perth Charterhouse--History.
Sidegreaves, Bernard.