http://jft-newspaper.aub.edu.lb/reserve/data/pspa237-wh-gasiorowski/Gasiorowski.pdf
Mark J. Gasiorowski, “The 1953 Coup d’Etat in Iran,” International Journal of Middle East Studies, Vol. 19, 1987, pp. 261-286. The following quote os on p. 285, endnote 67.
Several days after the coup the British received a report from the Iraqi ambassador in Tehran that the Shah and Zahedi together had visited Kashani, kissed his hands, and thanked him for his help is restoring the monarchy. “An Account of Conversation,” 1 September 1953, FO/371/104571.