Darwin and religion
Darwin Online contains a vast amount of material on Darwin's views on religion and similar topics. Here are some of the principal items.
Darwin, C. R. "Religious belief" in his Autobiography.
Darwin, C. R. [1827.] [Notes on reading Sumner's Evidence of Christianity]. Text & image
Darwin, C. R. ‘Essay on Theology and Natural Selection’ (DAR 71)
[Emma Darwin's memo about Darwin's religious doubts] (1839) Text & image
Darwin, C. R. 1882. Mr. Darwin and revelation. Pall Mall Gazette (23 September): 2. Text
Darwin, C. R. Reminiscence of Anne Elizabeth Darwin. (1851) Text & image
Francis Darwin on his father's religious views: Life and Letters (1887)
Darwin, Francis. 'Reminiscences of My Father's Everyday Life'. Transcribed by Robert Brown. Text
Material concerning Darwin's religion (DAR 139.12)
Darwin family press cuttings on Darwin & religion (DAR 140.1)
Darwin, William Erasmus & Francis Darwin et al on publishing the religious part of the Autobiography
Litchfield, Henrietta. 'Sketches for a biography'. Text
Darwin, C. R. 1871. A letter from Mr. Darwin. The Index, a weekly paper devoted to free religion. Text PDF
Darwin, C. R. 1881. [Letter to G. E. Mengozzi on design in nature]. Roma Etrusca. Text
Darwin, C. R. 1882. [Letter to N. A. von Mengden 'Science has nothing to do with Christ']. In Haeckel, Die Naturanschauung von Darwin, Goethe und Lamarck. Text
Anon. 1882. Darwin's religion. The Narracoorte Herald (15 December): 3. Text
Litchfield, H. E. (Darwin's daughter) 1873. [Recollections on Darwin becoming a parson]. Text
Litchfield, H. E. [Recollections of Darwin's Religious opinions]. Text
Litchfield, Henrietta. 'Sketches for a biography'. Text
Darwin, G. H.? It was curious that Dr D[arwin] being a freethinker my father should have been so orthodoxly brought up. Text & image
Darwin, W. 1883. [Recollections of Charles Darwin]. Text
Innes, J. Brodie. [Recollections of Darwin]. Text
Innes, J. Brodie. [Recollections of Darwin.] Text
Conway, M. D. [1867]. [Recollection of Darwin]. Text
Lane, Edward. 1882. [Recollection of Darwin]. Text
Hesse-Wartegg, E. von. 1880. Bei Charles Darwin [At Charles Darwin's]. Frankfurter Zeitung. [English translation.] Text
Aveling, E. B. 1883. The religious views of Charles Darwin. Text
Büchner, L. 1901. [Darwin's religious views]. Last Words on Materialism. Text
Foote, G. W. 1889. Darwin on God. Text PDF
Gray, Asa. 1861. Natural Selection not inconsistent with Natural Theology. Text
Smalley, G. W. 1891. [Recollection of Darwin's funeral]. Text
Anon. 1909. A visit to Darwin's village: reminiscences of some of his humble friends. Evening News. Text
Tennyson, H. 1897. [Recollection of Tennyson and Darwin on Christianity.] Alfred Lord Tennyson: a memoir. Text F2171
See also:
John van Wyhe, Darwin's funeral.
Freeman's Companion: Darwin's religion. Enlarged here: Paul van Helvert & John van Wyhe, Darwin: A Companion (2021).
John van Wyhe & Mark Pallen, 2012. The Annie Darwin hypothesis: Did the death of his daughter cause Darwin to "give up Christianity"? Centaurus 54.
John van Wyhe, 2011. Was Charles Darwin an atheist? The public domain review.
John van Wyhe, 2009. Darwin vs God. BBC History Magazine. Text PDF