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Problems in the history of colonial Africa, 1860-1960
Collins, Robert O., (1970)
The Puritan Frontier Town-planting in New England colonial development 1630 - 1660
Haller, William, (1951)
Economic growth in the First World : help or hindrance to the Third World?
Keyfitz, Nathan, (1993)
Latin America since independence : Central America
Griffith, William J., (1971)