Coquelin's reply to Irving's An Actor's Notes: M. Coquelin in Actors and Acting (see), written after the publication of Acting and Actors (see), and to Boucicault's Coquelin-Irving (see).

RECENT EDITIONS:
Published in:
- The art of Acting: A Discussion by Constant Coquelin, Henry Irving and Dion Boucicault, New York, Dramatic Museum of Columbia University, 1926.
- Papers on Acting, edited by Brander Matthews, New York, Hill and Wang, 1958.