Columbia subject headings:
Architecture--Italy--Pienza--History.
Art--Italy--Pienza--History.
Pienza (Italy)--Description and travel.
Pienza (Italy)--History.
Harvard subject headings:
Architecture--Italy--Pienza--History.
Art--Italy--Pienza--History.
Pienza (Italy)--Buildings, structures, etc.
Pienza (Italy)--History.
Pius II, Pope, 1405-1464.
Princeton subject headings:
Architecture--Italy--Pienza.
City planning--Italy--Pienza.
Humanism--Italy--Pienza.
Pienza (Italy)--Buildings, structures, etc.
Pienza (Italy)--History.