evidence: Iran Ministry of Foreign Affairs. (1969). Some facts concerning the dispute between Iran and Iraq over the Shatt al Arab. Tehran: Ministry of Foreign Affairs Publication. [...] McLachlan, K. (1989). Boundaries with the Ottoman Empire. In E. Yarshater (Ed.), Encyclopaedia Iranica (Vol. 4, p. 401). London—New York: Routledge and Kegan Paul.