Samuel Taylor Coleridge (1838). “The Literary Remains of Samuel Taylor Coleridge: Preface. Formula fidei de ss. Trinitate. Nightly prayer. Notes on the book of common prayer; Hooker; Field; Donne; Henry More; Heinrichs; Hacket; Jeremy Taylor; The pilgrim's progress; John Smith. Letter to a godchild”, p.186
George Bernard Shaw (2015). “George Bernard Shaw: Collected Articles, Lectures, Essays and Letters: Thoughts and Studies from the Renowned Dramaturge and Author of Mrs. Warren’s Profession, Pygmalion, Arms and The Man, Saint Joan, Caesar and Cleopatra, Androcles And The Lion”, p.314, e-artnow