Columbia subject headings:
Mural painting and decoration, American--20th century.
Mural painting and decoration, American.
Post office buildings--United States.
United States--In art.
Harvard subject headings:
Mural painting and decoration, American.
Mural painting and decoration--20th century--United States.
Post office buildings--United States.
United States--In art.
Princeton subject headings:
Mural painting and decoration, American.
Mural painting and decoration--20th century--United States.
Post office buildings--United States.
United States--In art.