Charles Simeon (1848). “Memoirs of the Life of the Rev. Charles Simeon, Late Senior Fellow of King's College and Minister of Trinity Church, Cambridge: With a Selection from His Writings and Correspondence”, p.474
"Letter from a Region of My Mind". The New Yorker, November 17, 1962. Republished in "The Fire Next Time" by James Baldwin as "Down at the Cross: Letter from a Region in My Mind", 1963.