Columbia subject headings:
Alessi, Galeazzo, 1512-1572--Congresses.
Architecture, Renaissance--Italy--Umbria--Congresses.
Landscape architecture--Italy--Umbria--Congresses.
Harvard subject headings:
Alessi, Galeazzo, 1512-1572--Congresses.
Architecture, Renaissance--Italy--Umbria--Congresses.
Landscape architecture--Italy--Umbria--Congresses.
Princeton subject headings:
Alessi, Galeazzo, 1512-1572--Congresses.
Architecture, Renaissance--Italy--Umbria--Congresses.
Landscape architecture--Italy--Umbria--Congresses.