Berlin, Normand. Eugene O'Neill, Macmillan, 1982. This book provides a brief biography of O' Neill and a general introduction to his plays.

Gelb, Arthur and Barbara Gelb. O'Neill, Harper, 1960. This is amore extensive, in-depth biography of O'Neill.

Scheibler, Rolf. The Late Plays of Eugene O'Neill, Francke Verlag, 1970.

This book provides a careful analysis of The Iceman Cometh as well several of O'Neill's later plays.

Zinn, Howard. The Twentieth Century: A People's History, Harper & Row, 1984.

This book presents a history of twentieth-century America from a leftist political perspective.