Columbia subject headings:
Christian art and symbolism--Italy--Po River Valley.
Church architecture--Italy--Po River Valley.
Monastic and religious life of women--Italy--Po River Valley.
Monasticism and religious orders for women--Italy--Po River Valley.
Harvard subject headings:
Christian art and symbolism--Italy--Po River Valley.
Church architecture--Italy--Po River Valley.
Monastic and religious life of women--Italy--Po River Valley.
Monasticism and religious orders for women--Italy--Po River Valley.
Princeton subject headings:
Christian art and symbolism--Italy--Po River Valley.
Church architecture--Italy--Po River Valley.
Monastic and religious life of women--Italy--Po River Valley.
Monasticism and religious orders for women--Italy--Po River Valley.