Columbia subject headings:
Harvard subject headings:
Art, Modern--19th century--Dictionaries--German.
Art, Modern--20th century--Dictionaries--German.
Art--Dictionaries--German
Artists--Biography--Dictionaries--German.
Painting, Modern
Painting, Modern--Dictionaries--German.
Princeton subject headings:
Art--Dictionaries--German.
Dictionaries.
Painting, Modern.