American Playwrights since 1945: A Guide to Scholarship, Criticism, and Performance
(O'Neill Reference PS350 .A53 1989)
Contemporary African American Women Playwrights (O'Neill Stacks PS338 .N4 C66 2007)
Contemporary Dramatists 6th edition (O'Neill Reference PR737 .C57)
Contemporary Gay American Poets and Playwrights: An A-to-Z Guide (O'Neill Stacks PS325 .C656 2003)
Contemporary Jewish-American Dramatists and Poets: A Bio-Critical Sourcebook (O'Neill Stacks PS153 .J4 C68 1999)
Contemporary Theatre, Film, and Television, includes Who's Who and Who was Who in the Theater
(O'Neill Reference PN2285.C58) 84 vols.
International Dictionary of Theatre: Playwrights (O'Neill Reference PN2000.I47)
Notable Women in the American Theatre (O'Neill Reference PN2285.N65 1989)
Who's Who in Contemporary World Theatre (O'Neill Stacks PN2035 .W485 2000)
Eugene O'Neill in Cape Cod
The following are some databases useful for locating biographical information on both contemporary and historical theatrical figures.