24°38′00″N 46°43′00″E / 24.6333°N 46.7167°E / 24.6333; 46.7167
Madawi Al Rasheed. (2002). A History of Saudi Arabia. Cambridge, England, UK: Cambridge University Press, p. 63. ↩
"No. 1083 SULTANATE OF NEJD and KUWAIT" (PDF). 1922. https://treaties.un.org/doc/Publication/UNTS/Volume%201750/II-183.pdf ↩