^%22Tareekh-e-Kakazai%22 (a.k.a."Hidayat Afghani-Tareekh-e-Kakazai Tarkani" - (Originally Published May, 1933 in Urdu)
^"A Dictionary of the Pathan Tribes of the North West Frontier of India"published by The General Staff Army Headquarter, Calcutta, India - (Originally Published 1910) ::Kakazai / Kakayzai Pathan Tribe is mentioned on Page 22 (under ‘K’ -Kakazai), Page 12 (under ‘D’ -Daulat Khel - A sub-division of Kakazai Pathans), Page 26 (under 'K' -Khulozai - A sub-division of Kakazai Pathans), Page 29 (under ‘M’ -Maghdud Khel,Mahsud Khel andMahmud Khel - sub-divisions of Kakazai Pathans), Page 47 (under 'U' -Umar Khel - A sub-division of Kakazai Pathans) and Page 50 (under 'Y' -Yusaf Khel - A sub-division of Kakazai Pathans)
^"Frontier and Overseas Expeditions from India" Volume One published by Government Mono Type Press, Simla, India - (Originally Published 1907) ::Kakazai / Kakayzai Pathan Tribe is mentioned between Page 515- 555-You can read these volumes online, thanks to Internet Archives though their market value is around $11000 ::