Columbia subject headings:
Harvard subject headings:
Avant-garde (Aesthetics)--Belgium--History--20th century--Exhibitions.
Avant-garde (Aesthetics)--Belgium--History--20th century.
Baugniet, Marcel-Louis, 1896---Exhibitions.
Baugniet, Marcel-Louis, 1896-1995--Exhibitions.
Princeton subject headings:
Baugniet, Marcel-Louis, 1896-1995--Exhibitions.