Columbia subject headings:
Art, Modern--20th century--Directories.
Artists--Directories.
Documenta--Directories.
Harvard subject headings:
Art, Modern--20th century--Directories.
Art--Bio-bibliography.
Artists--Biography--Dictionaries.
Artists--Directories.
Documenta (Exhibition)--Directories.
Documenta.
Princeton subject headings:
Art, Modern--20th century--Directories.
Artists--Directories.
Directories.
Documenta--Directories.