Columbia subject headings:
Palaces--Italy--Turin.
Palazzo delle Segreterie di Stato (Turin, Italy)
Public buildings--Italy--Turin.
Turin (Italy)--Buildings, structures, etc.
Harvard subject headings:
Palaces--Italy--Turin.
Palazzo delle Segreterie di Stato (Turin, Italy)
Public buildings--Italy--Turin.
Turin (Italy)--Buildings, structures, etc.
Princeton subject headings:
Palaces--Italy--Turin.
Palazzo delle Segreterie di Stato (Turin, Italy)
Public buildings--Italy--Turin.
Turin (Italy)--Buildings, structures, etc.