Abrahamian, Ervand (2008). A Modern History of Iran(en inglés). Cambridge University Press. ISBN978-0-511-41399-5. Archivado desde el original el 26 de agosto de 2016. Consultado el 10 de agosto de 2013. «Curzon described this sale as “most complete surrender of the entire resources of a kingdom into foreign hands that has ever been dreamed of, much less accomplished in history.”».
Abrahamian, Ervand (2008). A Modern History of Iran(en inglés). Cambridge University Press. ISBN978-0-511-41399-5. Archivado desde el original el 26 de agosto de 2016. Consultado el 10 de agosto de 2013. «Curzon described this sale as “most complete surrender of the entire resources of a kingdom into foreign hands that has ever been dreamed of, much less accomplished in history.”».