the APOC, and was given a sapphire brooch to mark the occasion. In 1951, however, the situation changed dramatically, when the Iranian oil industry was nationalised, and the APOC removed all its staff from Iran. See also Abdolhossein Teymourtash Anglo-Persian Agreement British foreign policy in the Middle East D'Arcy Exploration Co, UK. Dariush Forouhar Hossein Fatemi John Cadman, 1st Baron Cadman Iranian Revolution White Revolution Suez Crisis References Bibliography Further reading Beck, Peter J. "The Anglo-Persian Oil Dispute 1932-33." Journal of Contemporary History 9.4 (1974): 123-151. Online Lockhart, Laurence. "The causes of the Anglo‐Persian oil dispute." Journal of the Royal Central Asian Society 40.2 (1953): 134-150. https://doi.org/10.1080/03068375308731472 Sampson, Anthony/ Seven sisters: The great oil companies and the world they shaped (1975) pp 62–70. Yergin, Daniel. The Prize: The epic quest for oil, money and power (1991) pp 135–64. Oil and gas companies of the United Kingdom BP Economic history of Iran Iran–United Kingdom relations Non-renewable resource companies established in 1909 1909 establishments in Iran Energy companies established in 1909