Columbia subject headings:
Lorenzetti, Ambrogio, 1285-approximately 1348--Criticism and interpretation.
Siena (Italy)--History--Rule of the Nine, 1287-1355.
Siena (Italy)--Politics and government.
Harvard subject headings:
Lorenzetti, Ambrogio, 1285-approximately 1348--Criticism and interpretation.
Siena (Italy)--History--Rule of the Nine, 1287-1355.
Siena (Italy)--Politics and government.
Princeton subject headings:
Lorenzetti, Ambrogio, 1285-approximately 1348--Criticism and interpretation.
Siena (Italy)--History--Rule of the Nine, 1287-1355.
Siena (Italy)--Politics and government.