O'NEILL, Eugene. Mourning Becomes Electra. New York: Horace Liveright, 1931. With dust jacket. FIRST EDITION, PRESENTATION COPY, inscribed by O'Neill to the actress Erinna Herts on the front free endpaper: "To Erinna Herts with all good wishes Eugene O'Neill Nov. 1931." This copy is also SIGNED BY SEVERAL MEMBERS OF THE CAST AND CREW OF THE STAGE PRODUCTION. -- Another copy. With board slipcase. LIMITED EDITION, number 68 of 550 copies signed by O'Neill. -- Marco Millions. New York: Boni & Liveright, 1927. With dust jacket. FIRST EDITION, PRESENTATION COPY, inscribed by O'Neill to author Harold de Polo on the front free endpaper: "To Harold in all friendship Gene." Laid-in is a letter from de Polo describing how he was given this copy while he was living down the road from O'Neill in Bermuda. -- The Emperor Jones. Diff'rent. The Straw. New York: Boni and Liveright, 1921. FIRST EDITION, PRESENTATION COPY, inscribed by O'Neill to actress Helen MacKellar on the front free endpaper: "To Helen MacKellar -- with keen regrets for the 'Eileen' that is not to be -- and wishing myself better luck next time. Eugene O'Neill. Old Peaked Hill Bar, Provincetown, Mass. June 1921." Together 4 volumes, 8o, original bindings, condition varies. (4)