F. Scott Fitzgerald (2015). “Collected Letters of F. Scott Fitzgerald: From the author of The Great Gatsby, The Side of Paradise, Tender Is the Night, The Beautiful and Damned, The Love of the Last Tycoon, The Curious Case of Benjamin Button and many other notable works”, p.98, e-artnow
William Lyon Phelps (2016). “A Collection of Classic Essays by William Lyon Phelps - Including 'Happiness', 'Superstition', 'The Great American Game', and Many More”, p.83, Read Books Ltd
Charles Lamb, Thomas Noon Talfourd (1838). “Essays of Elia. Rosamund Gray. Recollections of Chirst's hospital. Essays on the tragedies of Shakspeare [etc.] Letters under assumed signatures published in the Reflector. Curious fragments. Mr. H”, p.42