Columbia subject headings:
Camera (Lucerne, Switzerland)--Exhibitions.
Martinez, Romeo--Exhibitions.
Photography, Artistic--Exhibitions.
Photography, Artistic--Periodicals--Exhibitions.
Swiss periodicals--History--20th century--Exhibitions.
Harvard subject headings:
Camera (Lucerne, Switzerland)--Exhibitions.
Martinez, Romeo--Exhibitions.
Photography, Artistic--Exhibitions
Photography, Artistic--Periodicals--Exhibitions.
Swiss periodicals--History--20th century--Exhibitions.
Princeton subject headings:
Camera (Lucerne, Switzerland)--Exhibitions.
Martinez, Romeo--Exhibitions.
Photography, Artistic--Exhibitions.
Photography, Artistic--Periodicals--Exhibitions.
Swiss periodicals--History--20th century--Exhibitions.