Day, Dorothy, By Little and By Little The Selected Writingsof Dorothy Day, Knopf, 1983

Day was a friend of O'Neill's m the 1920s and they had a strong influence on each other The woman who founded the Catholic Worker movement can be experienced through this collection of her writings over the years

Egan, Leona Rust. Provtncetown As a Stage. Provincetown, the Provincetown Players, and the Discovery of Eugene O'Neill, Parnassus Imprints, 1994.

This book recounts the story of the artistic life of Provincetown where O'Neill was nurtured and rose to prominence. This is a scholarly work that, at times, offers tidbits of gossip courtesy of some excerpts from Carlotta O'Neill, the playwright's last wife.

Moorton, RichardF, Jr Eugene O'Neill's Century Centennial Views on America's Foremost Tragic Dramatist, Greenwood Press, 1991.

With essays by thirteen writers, this book looks at specific plays and at special themes m O'Neill's work...