- Echoes from the Lotus, by Collis Featherstone, William Sears, Afshin. (1986) Address at the dedication of the New Delhi temple.
- H. Collis Featherstone, by Graham Hassall. (1990-10) Biography of a prominent Australian Bahá'í and Hand of the Cause of God.
- H. Collis Featherstone 1913-1990: An Extraordinary, Ordinary Man, by Graham Waterman, Kaye Waterman. (1996) The life and activities of an Australian Bahá'í and Hand of the Cause.
- Hands of the Cause of God: Personal Recollections, by Bill Washington. (2014) Recollections of A.Q. Faizi, A.A. Furútan, Clara Dunn, Rúhíyyih Khánum, Ugo Giachery, Leroy Ioas, Enoch Olinga, Rahmátu’lláh Muhajir, Bill Sears, Agnes Alexander, John Robarts, Collis Featherstone, and Jalal Khazeh.
- یادی از حارسان مدنیت الهیّه خاطراتی از ایادیان امرالله جک بوید بیل واشنگتون (Recollections of the Hands of the Cause Jack Boyd and Bill Washington), by Jack Boyd, Bill Washington. Faruq Izadinia, trans. (2024) Persian translation of the short essays in "Memories of Hands of the Cause of God" by Jack Boyd and "Hands of the Cause of God: Recollections" by Bill Washington: Z. Khadem, J. Robarts, T. Samandari, A.Q. Faizi, A. A. Furutan, C. Dunn, U. Giachery, etc.
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