His books on the subject include The Mau-Mau War in Perspective, The New Ideology of Imperialism and The Silent War: Imperialism and the Changing Perception of Race.
在这一主题上，他著有《Mau-Mau War in Perspective》,《 The New Ideology of Imperialism》以及《 The Silent War: Imperialism and the Changing Perception of Race》等论述。