Mitchell, J. (1980). The essential O'Casey: A study of the twelve major plays of Sean O'Casey. Seven Seas Publ..
Chicago-referens (17:e uppl.)Mitchell, Jack. The Essential O'Casey: A Study of the Twelve Major Plays of Sean O'Casey. Berlin: Seven Seas Publ., 1980.
MLA-referens (8:e uppl.)Mitchell, Jack. The Essential O'Casey: A Study of the Twelve Major Plays of Sean O'Casey. Seven Seas Publ., 1980.
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