Columbia subject headings:
Harvard subject headings:
Lithography, British--20th century--Exhibitions.
Posters, British--20th century--Exhibitions.
World War, 1914-1918--Great Britain--Posters--Exhibitions.
World War, 1914-1918--Posters--Great Britain--Exhibitions.
Princeton subject headings:
Graphic arts--Exhibitions.
World War, 1914-1918--Great Britain--Art.