1. Aitchison, C. U. 1892: A Collection of Treaties, Engagements, and Sanads Relating to India and Neighbouring Countries, vol. 10, Calcutta: Office of the Superintendent of Government Printing.
2. Aitchison, C. U. 1933: A Collection of Treaties, Engagements, and Sanads Relating to India and Neighbouring Countries, vol. 11, Delhi: Manager of Publications.
3. Allen, R. 1999: Slaves, Freedmen and Indentured Laborers in Colonial Mauritius, Cambridge: Cambridge University Press.
4. Balfour-Paul, G. 1991: The End of Empire in the Middle East: Britain’s Relinquishment of Power in Her Last Three Arab Dependencies, Cambridge: Cambridge University Press.
5. Busch, B. C. 1967: Britain and the Persian Gulf, 1894–1914, Berkeley: University of California Press.