Columbia subject headings:
Colonies--Africa.
Gallagher, John, 1919-1980.
Imperialism.
Robinson, Ronald, 1920-1999.
Harvard subject headings:
Colonies--Africa
Gallagher, John, 1919-
Gallagher, John, 1919-1980.
Imperialism.
Robinson, Ronald, 1920-1999.
Princeton subject headings:
Colonies--Africa.
Gallagher, John, 1919-1980.
Imperialism.
Robinson, Ronald, 1920-1999.