Harriett Jay (September 2, 1853 – December 21, 1932) was a British writer and playwright who often wrote under the pseudonym of Charles Marlowe. Several of her plays were turned into films. She is best known for her 1906 comedy play When Knights Were Bold.
- Harriett Jay: A Biography Retrieved April 13, 2016
- Nicoll, p. 330.
- Nicoll, Alardyce (1973). English Drama, 1900–1930: The Beginnings of the Modern Period. Cambridge University Press.