Columbia subject headings:
Arts, Belgian--Belgium--Hainaut--20th century--Exhibitions.
Surrealism--Belgium--Hainaut--Exhibitions.
Harvard subject headings:
Arts, Belgian--Belgium--Hainaut--20th century--Exhibitions.
Surrealism--Belgium--Hainaut--Exhibitions.
Princeton subject headings:
Arts, Modern--20th century--Belgium--Hainaut--Exhibitions.
Surrealism--Belgium--Hainaut--Exhibitions.