Columbia subject headings:
Zuccaro, Federico, approximately 1540-1609.
Zuccaro, Taddeo, 1529-1566.
Harvard subject headings:
Zuccaro, Federico, approximately 1540-1609.
Zuccaro, Taddeo, 1529-1566.
Princeton subject headings:
Zuccaro, Federico, approximately 1540-1609.
Zuccaro, Taddeo, 1529-1566.