Columbia subject headings:
Portrait painting, German--20th century--Exhibitions.
Watercolor painting, German--20th century--Exhibitions.
Wever, Heinz, 1890-1966--Exhibitions.
Wever, Heinz, 1890-1966.
Harvard subject headings:
Portrait painting, German--20th century--Exhibitions.
Watercolor painting, German--20th century--Exhibitions.
Wever, Heinz, 1890-1966--Exhibitions.
Princeton subject headings: