Columbia subject headings:
Architecture, Renaissance--Congresses.
Courtyards--Congresses.
Decoration and ornament, Architectural--Congresses.
Decoration and ornament, Renaissance--Congresses.
Harvard subject headings:
Architecture, Renaissance--Congresses.
Courtyards--Europe--Congresses.
Decoration and ornament, Architectural--Europe--Congresses.
Decoration and ornament, Renaissance--Congresses.
Princeton subject headings:
Architecture, Renaissance--Congresses.
Courtyards--Congresses.
Decoration and ornament, Architectural--Congresses.
Decoration and ornament, Renaissance--Congresses.