Columbia subject headings:
Harvard subject headings:
History, Modern--20th century
History, Modern--20th century--Pictorial works
Nineteen thirties
Nineteen thirties--Pictorial works.
Popular culture--History--20th century
Popular culture--History--20th century--Pictorial works.
Princeton subject headings:
History, Modern--20th century--Pictorial works.
History, Modern--20th century.
Nineteen thirties--Pictorial works.
Nineteen thirties.
Popular culture--History--20th century--Pictorial works.
Popular culture--History--20th century.