Columbia subject headings:
Architecture, Modern--20th century.
Libraries--Pictorial works.
Library architecture--Pictorial works.
Harvard subject headings:
Architecture, Modern--21st century
Illustrated works.
Libraries--Pictorial works.
Library architecture--Pictorial works.
Princeton subject headings:
Architecture, Modern--20th century--Pictorial works.
Libraries--Pictorial works.
Library architecture--Pictorial works.