Columbia subject headings:
Sousa-Cardoso, Amadeu de, 1887-1918--Exhibitions.
Harvard subject headings:
Sousa-Cardoso, Amadeu de, 1887-1918 Selections.--Drawings.
Sousa-Cardoso, Amadeu de, 1887-1918--Exhibitions.
Princeton subject headings:
Sousa-Cardoso, Amadeu de, 1887-1918--Exhibitions.