Columbia subject headings:
Harvard subject headings:
Heraldry--Italy--Siena.
Heraldry--Italy--Tuscany.
Princeton subject headings:
Cities and towns--Italy--Tuscany--Heraldry.
Escutcheons (Heraldry)--Italy--Siena.
Escutcheons (Heraldry)--Italy--Tuscany.
Heraldry--Italy--Siena.
Heraldry--Italy--Tuscany.
Symbolism in art--Italy--Tuscany.