Columbia subject headings:
Architecture, Modern--20th century--Themes, motives.
Decoration and ornament--Animal forms.
Decoration and ornament--Plant forms.
Harvard subject headings:
Architecture, Modern--21st century
Organic architecture.
Symbolism in architecture.
Princeton subject headings:
Architecture, Modern--20th century--Themes, motives.
Decoration and ornament--Animal forms.
Decoration and ornament--Plant forms.