Columbia subject headings:
Harvard subject headings:
Black people--Portugal--Lisbon Metropolitan Area--Pictorial works.
Black people--Portugal--Lisbon Metropolitan Area.
Lisbon Metropolitan Area (Portugal)--Pictorial works.
Princeton subject headings:
Black people--Portugal--Lisbon Metropolitan Area--Pictorial works.
Black people--Portugal--Lisbon Metropolitan Area.
Lisbon Metropolitan Area (Portugal)--Pictorial works.