The publication of the Kitáb-i-Íqán (The Book of Certitude) as translated into English by Shoghi Effendi. It was published by the Bahá'í Publishing Committee in New York and republished in 1931 and 1937. [BEL1.77]
It has seen numerous publications since then by the American Bahá'í Publishing Trust and by Bahá'í Publishing Trust in London. [BEL1.78-85] [key]