Columbia subject headings:
Lorenzetti, Ambrogio, 1285-approximately 1348--Exhibitions.
Lorenzetti, Ambrogio, 1285-approximately 1348. Small Maestà--Exhibitions.
Harvard subject headings:
Altarpieces, Renaissance--Italy--Exhibitions.
Lorenzetti, Ambrogio, 1285-approximately 1348. Small Maestà--Exhibitions.
Mary, Blessed Virgin, Saint--Art--Exhibitions.
Princeton subject headings:
Lorenzetti, Ambrogio, 1285-approximately 1348--Exhibitions.
Lorenzetti, Ambrogio, 1285-approximately 1348. Small Maestà--Exhibitions.