Joceyln Murray, The Kikuyu Female Circumcision Controversy, with special reference to the Church Missionary Society's sphere of influence, PhD thesis, University of California, Los Angeles, 1974.
Lynn M. Thomas, "'Ngaitana (I will circumcise myself)': Lessons from Colonial Campaigns to Ban Excision in Meru, Kenya", in Bettina Shell-Duncan, Ylva Hernlund (eds), Female "Circumcision" in Africa. Lynne Rienner, 2000, p. 132: "The years 1929 to 1931 mark what has been termed within Kenyan historiography as the "female circumcision controversy."
Margaret Strobel, Marjorie Bingham, "Appendix A. World Studies as an Approach to World History: Female Genital Cutting and Kenyan/Gikuyu Nationalism," in Bonnie G. Smith (ed.), Women's History in Global Perspective, University of Illinois Press, 2004, p. 35: "The 'female circumcision controversy' played a critical role in Gikuyu nationalism. نسخة محفوظة 10 مايو 2016 على موقع واي باك مشين.