Columbia subject headings:
Architecture--Composition, proportion, etc.--Congresses.
Architecture--Congresses.
Form (Aesthetics)--Congresses.
Harmony (Aesthetics)--Congresses.
Harvard subject headings:
Architecture--Composition, proportion, etc.--Congresses.
Architecture--Congresses
Form (Aesthetics)--Congresses.
Harmony (Aesthetics)--Congresses.
Princeton subject headings:
Architecture--Composition, proportion, etc.--Congresses.
Architecture--Congresses.
Form (Aesthetics)--Congresses.
Harmony (Aesthetics)--Congresses.