- AC PC (1891). "The Law Reports of the Incorporated Council of Law Reporting: House of Lords and Judicial Committee of the Privy Council Appeal Cases and Peerage Cases" (London: William Clowes and Sons, 1891-1954)
(Sobhuza II v. Miller [1926] 518-529: web site)
- British and Foreign State Papers (1841-1977). "British and Foreign State Papers" (London: various publishers, 1841-1977), 170 vols.
(vols. 1-91: web site)
- Kuper (1978). "Sobhuza II, Ngwenyama and King of Swaziland: The story of a Hereditary Ruler and His Country", by Hilda Kuper (New York: Africana Publ. Co., 1978)
- Marwick (1940). "The Swazi: An Ethnographic Account of the Natives of the Swaziland Protectorate", by Brian Allan Marwick (Cambridge University Press, London, 1940)
- Matsebula (1988). "A History of Swaziland", by J. S. M. Matsebula, (Cape Town: Longman, 1988), 3rd ed.
- Potholm (1972). "Swaziland: The Dynamics of Political Modernization", by Christian P. Potholm (University of California Press, 1972)
- Staatscourant (1857). "Staats-Courant. Zuid-Afrikaansche Republiek" 25 Sep 1857 - 8 Sep 1859, 17 Feb 1862 - 1877, 1880 - 1900? || "Gouvernements-Courant der Zuid-Afrikaansche Republiek" 9 Sep 1859 - 16 Feb 1862
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