Columbia subject headings:
Catholics--Religious life--Congresses.
Holiness--Catholic Church--Congresses.
Mysticism--Catholic Church--Congresses.
Harvard subject headings:
Catholic Church--Customs and practices--Congresses.
Christian saints--Cult--History--19th century--Congresses.
Holiness--Catholic church--congresses.
Monasticism and religious orders for women--History--19th century--Congresses.
Princeton subject headings: