Bach, Gerhard, "Susan Glaspell: Mapping the Domains of Critical Revision," in Susan Glaspell: Essays on Her Theater and Fiction, edited by Linda Ben-Zvi, University of Michigan Press, 1995, p. 257.

Ben-Zvi, Linda, Susan Glaspell: Essays on Her Theater and Fiction, edited by Linda Ben-Zvi, University of Michigan Press, 1995, pp. 6, 97.

Gainor, J. Ellen, Susan Glaspell in Context: American Theater, Culture, and Politics, 1915-1948, University of Michigan Press, 2001, pp. 144-69.

Nelligan, Liza Maeve, "'The Haunting Beauty from the Life We've Left': A Contextual Reading of Trifles and The Verge," in Susan Glaspell: Essays on Her Theater and Fiction, edited by Linda Ben-Zvi, University of Michigan Press, 1995, p. 86.

Noe, Marcia, "The Verge: L'ecriture feminine at the Provincetown," in Susan Glaspell: Essays on Her Theater and Fiction, edited by Linda Ben-Zvi, University of Michigan Press, 1995, p. 140.

Ozieblo, Barbara, "Suppression and Society in Susan Glaspell's Theater," in Susan Glaspell: Essays on Her Theater and Fiction...