Columbia subject headings:
Palaces--Italy--Urbino--Early works to 1800.
Palazzo ducale (Urbino, Italy)
Urbino (Italy)--Buildings, structures, etc.--Early works to 1800.
Harvard subject headings:
Architecture, Renaissance--Italy--Urbino.
Federico, da Montefeltro, Duke of Urbino, 1422-1482--Palaces--Italy--Urbino.
Palazzo ducale (Urbino, Italy)
Urbino (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Renaissance--Italy--Urbino.
Federico, da Montefeltro, Duke of Urbino, 1422-1482--Palaces--Italy--Urbino.
Palazzo ducale (Urbino, Italy)