Columbia subject headings:
Africa--Civilization--20th century--Pictorial works.
Africa--In art.
Africa--Social life and customs--Pictorial works.
Loos, Pierre--Art collections.
Zagourski, Casimir Ostoja, 1880-1941.
Harvard subject headings:
Africa--Civilization--20th century--Pictorial works.
Africa--Social life and customs--20th century--Pictorial works.
Loos, Pierre--Art collections.
Photography, Artistic--Private collections.
Zagourski, Casimir Ostoja, 1880-1941.
Princeton subject headings:
Africa, Sub-Saharan--Pictorial works.
Africa, Sub-Saharan--Social life and customs--Pictorial works.