Columbia subject headings:
Cave architecture--Italy--History--16th century.
Fountains--Italy--History--16th century.
Garden structures--Italy--History--16th century.
Mannerism (Architecture)--Italy.
Symbolism in architecture--Italy.
Harvard subject headings:
Architecture, Renaissance--Italy.
Cave architecture--Italy--History--16th century.
Cave architecture--Italy.
Fountains, Renaissance--Italy.
Fountains--Italy--History--16th century.
Garden structures--Italy--History--16th century.
Garden structures--Italy.
Mannerism (Architecture)--Italy.
Symbolism in architecture--Italy.
Symbolism in architecture.
Princeton subject headings:
Architecture, Renaissance--Italy.
Cave architecture--Italy.
Fountains, Renaissance--Italy.
Garden structures--Italy.
Symbolism in architecture.