1. British National Archives, Kew, England (BNA).
2. Foreign Relations of the United States, 1952–1954, Africa and South Asia, vol. XI, Part 1. Washington, DC: United States Printing Office, 1983. https://history.state.gov/historicaldocuments/frus1952-54v11p1/d119.
3. Goldsworthy, David, ed. The Conservative Government and the End of Empire, 1951–1957, Part III, Economic and Social Policies. London: HMSO, 1994.
4. Moorland-Spingarn Research Centre, Howard University, Washington, DC (MSRC).
5. Public Records and Archives Administration, Accra, Ghana (PRAAD).