Columbia subject headings:
Architects--Europe--History--16th century--Congresses.
Architecture, Late Gothic--Europe--Congresses.
Harvard subject headings:
Architects--Europe--History--16th century--Congresses.
Architects--Italy--Sicily--16th century--Congresses.
Architects--Spain--History--16th century--Congresses.
Architecture, Late Gothic--Congresses.
Architecture, Late Gothic--Italy--Sicily--Congresses.
Architecture, Late Gothic--Spain--Congresses.
Princeton subject headings:
Architects--Europe--History--16th century--Congresses.
Architecture, Late Gothic--Europe--Congresses.