5Granger, Bruce Ingham. "Illusion and Reality in Eugene O'Neill. " Modern Language Notes 3 (1958) : 179 - 86.
6Highsmith, James Milton. "O' Neill' s Idea of Theater. " South Atlantic Bulletin 4 (1968) : 18 -21.
7O'Neill, Eugene. "Memoranda on Masks. " The American Spectator Nov. 1932.
8尤金·奥尼尔.《奥尼尔文集》第3卷,郭继德译.北京:人民文学出版社,2006年.
9Sogliuzzo, A. Richard. "The Uses of the Mask in ' The Great God Brown' and ' Six Characters in Search of an Author'. "Educational Theatre Journal 3 (1966) : 224 -29.
10Waith, Eugene M. "Eugene O' Neill: An Exercise in Unmasking. " Educational Theatre Journal 3 (1961) : 182 -91.