Navabi, Hesamedin (2010). "D'Arcy's Oil Concession of 1901: Oil Independence, Foreign Influence and Characters Involved". Journal of South Asian and Middle Eastern Studies. 33 (2): 18–33. doi:10.1353/jsa.2010.0004. S2CID258610006.
'File 29/6 British Relations with Khazal, Sheikh of Khorramshahr' [8r] (15/28), British Library: India Office Records and Private Papers, IOR/R/15/2/1747, in Qatar Digital Library :"The Sheikh was not yet satisfied especially as Reza Khan subsequently sent him a bombastic and tactless telegram and in conversation with His Majesty’s Consul at Ahwaz (Colonel Peel) expressed his determination to overthrow Reza Khan or perish in the attempt"<https://www.qdl.qa/archive/81055/vdc_100026187839.0x000010>
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Navabi, Hesamedin (2010). "D'Arcy's Oil Concession of 1901: Oil Independence, Foreign Influence and Characters Involved". Journal of South Asian and Middle Eastern Studies. 33 (2): 18–33. doi:10.1353/jsa.2010.0004. S2CID258610006.
