Rider, Clare (2003). «The "Unfortunate Marriage" of Seretse Khama». The Inner Temple Yearbook 2002/2003(en inglés). Inner Temple. Consultado el 3ago2009. «Under the provisions of the South Africa Act of 1909, the Union laid claim to the neighbouring tribal territories and, as the Secretary of State for Commonwealth Relations pointed out to the Cabinet in 1949, the 'demand for this transfer might become more insistent if we disregard the Union government's views'. He went on, 'indeed, we cannot exclude the possibility of an armed incursion into the Bechuanaland Protectorate from the Union if Serestse were to be recognised forthwith, while feeling on the subject is inflamed'.»
Allport, Richard. «gaberone». Rhodesia and South Africa: Military History. Archivado desde el original el 6 de abril de 2009. Consultado el 27 de julio de 2012.
Allport, Richard. «gaberone». Rhodesia and South Africa: Military History. Archivado desde el original el 6 de abril de 2009. Consultado el 27 de julio de 2012.
