By A Mystery Man Writer
Hughie - Behind the Scenes - MGCfutures
Park Archives: Eugene O'Neill National Historic Site
Quintessence Theatre Group Tackles First Modern American Classic with Eugene O'Neill's Long Day's Journey into Night October 4-22 - Philly Review
How I “Met” - Eugene O'Neill Society
Eugene O'Neill National Historic Site (U.S. National Park Service)
Eugene O'Neill + Long Day's Journey Into Night
Eugene O'Neill 'lost' play published, 91 years on, Theatre
Beyond the Horizon, by Eugene O'Neill at the National Theatre - New York Arts
Complete Plays, 1920–1931 by Eugene O'Neill
By Women Possessed: A Life of Eugene O'Neill: Gelb, Arthur, Gelb, Barbara: 9780399159114: : Books
Eugene O'Neill - Wikipedia
Ah, Wilderness!, Young Vic Theatre, London — review
Eugene O'Neill, About Eugene O'Neill, American Masters
Analysis of Eugene O'Neill's Plays – Literary Theory and Criticism