Columbia subject headings:
Posters, Swiss--Catalogs.
Posters--Switzerland--20th century--Catalogs.
Harvard subject headings:
Art and society--Switzerland--Catalogs.
Political posters, Swiss--Catalogs.
Posters, Swiss--Catalogs.
Posters--20th century--Switzerland--Catalogs.
Princeton subject headings:
Posters, Swiss--Catalogs.
Posters--20th century--Switzerland--Catalogs.