The story is that Keller contacted Jacob Wrey Mould, who Keller knew, and then received the plans for Holy Trinity Church from Mould. The source of the story is Keller: as quoted by David Ransom, from a letter Keller sent to a newspaper following the 1931 fire. How much of the church, then, is the same as Holy Trinity Church is unclear – Keller seems to indicate that he received drawings for the exterior only, and the Courant in 1872 described the church’s design as a “modification of the Church of the Holy Trinity, (Dr. Tyng’s), New York, from drawings prepared by Geo. Keller, architect of this city.”