Columbia subject headings:
Harvard subject headings:
Mural painting and decoration, Gothic--Italy--Siena.
Mural painting and decoration, Italian--Italy--Siena.
Palazzo pubblico (Siena, Italy)
Power (Social sciences) in art.
Princeton subject headings:
Lorenzetti, Ambrogio, 1285-approximately 1348--Criticism and interpretation.
Martini, Simone, 1283-1344--Criticism and interpretation.
Palazzo pubblico (Siena, Italy)