In 1905, Shaw wrote what remains the definitive history of Western Sudan and the modern settlement of Northern Nigeria, A Tropical Dependency: An Outline of the Ancient History of the Western Soudan, With an Account of the Modern Settlement of Northern Nigeria (London: Nisbet, 1905).
En 1905 Shaw escribiu a que quedaría como a historia definitiva do Sudán occidental e a colonización moderna da Rexión Norte de Nixeria, A Tropical Dependency: An Outline of the Ancient History of the Western Soudan, With an Account of the Modern Settlement of Northern Nigeria (Londres: Nisbet, 1905).