Columbia subject headings:
Church year--Early works to 1800.
Clergy--Office--Early works to 1800.
Divine office--Early works to 1800.
Monastic and religious life--Early works to 1800.
Harvard subject headings:
Catholic Church--Liturgy--Texts--Early works to 1800.
Church year--Early works to 1800.
Clergy--Office--Early works to 1800
Divine office--Texts--Early works to 1800.
Monastic and religious life--Early works to 1800.
Princeton subject headings:
Church year--Early works to 1800.
Clergy--Office--Early works to 1800.
Divine office--Early works to 1800.
Monastic and religious life--Early works to 1800.