Columbia subject headings:
Art, American--20th century--Catalogs.
Collage, American--20th century.
Drawing, American--20th century.
Photography, Artistic.
Sommer, Frederick, 1905-1999--Catalogs.
Sommer, Frederick, 1905-1999--Interviews.
Harvard subject headings:
Art, American--20th century--Catalogs
Collage, American--20th century.
Drawing, American--20th century.
Photography, Artistic
Photography, Artistic.
Sommer, Frederick, 1905-
Sommer, Frederick, 1905-1999--Catalogs.
Sommer, Frederick, 1905-1999--Interviews.
Princeton subject headings:
Art, American--20th century--Catalogs.
Catalogs.
Collage, American--20th century--Catalogs.
Drawing, American--20th century--Catalogs.
Interviews.
Photography, Artistic--Catalogs.
Sommer, Frederick, 1905-1999--Catalogs.
Sommer, Frederick, 1905-1999--Interviews.