Columbia subject headings:
Delvaux, Paul--Exhibitions.
Delvaux, Paul--Homes and haunts--Meuse River Valley--Exhibitions.
Meuse River Valley--In art--Exhibitions.
Harvard subject headings:
Artists' preparatory studies--Belgium--Exhibitions.
Delvaux, Paul--Chronology.
Delvaux, Paul--Themes, motives--Exhibitions.
Meuse River Valley--In art--Exhibitions.
Princeton subject headings:
Delvaux, Paul--Exhibitions.
Delvaux, Paul--Homes and haunts--Meuse River Valley--Exhibitions.
Meuse River Valley--In art--Exhibitions.