"Exorcism". Yale U. Library Acquires Lost Play by Eugene O'Neill. Chronicle of Higher Education. October 19, 2011. Retrieved October 22, 2011. (The play, set in 1912, is based on O'Neill's suicide attempt from an overdose of barbiturates in a Manhattan rooming house. After its premiere in 1920, O'Neill canceled the production and, it had been thought, destroyed all copies.)
commoncrowbooks.com
O'Neill, Eugene (1917). The Seven Arts (June 1917 ed.). New York: The Seven Arts Publishing Co. Retrieved March 5, 2020.[permanent dead link]
doi.org
Londré, Felicia (2016). "Eugene O'neill: A Life in Four Acts by Robert M. Dowling, and: Eugene O'neill: The Contemporary Reviews ed. by Jackson R. Bryer and Robert M. Dowiling (review)". Theatre History Studies. 35: 351–353. doi:10.1353/ths.2016.0027. S2CID193596557.
Londré, Felicia (2016). "Eugene O'neill: A Life in Four Acts by Robert M. Dowling, and: Eugene O'neill: The Contemporary Reviews ed. by Jackson R. Bryer and Robert M. Dowiling (review)". Theatre History Studies. 35: 351–353. doi:10.1353/ths.2016.0027. S2CID193596557.
stamfordhistory.org
"Spelled Freedom" From: Stamford Past & Present, 1641 – 1976 The Commemorative Publication of the Stamford Bicentennial Committee (Stamford Historical Society)