Langbaum, R. W. (1970). The modern spirit: Essays on the continuity of nineteenth- and twentieth-century literature. Oxford University Press.

Langbaum, Robert Woodrow. The Modern Spirit: Essays on the Continuity of Nineteenth- and Twentieth-century Literature. New York: Oxford University Press, 1970.

Langbaum, Robert Woodrow. The Modern Spirit: Essays on the Continuity of Nineteenth- and Twentieth-century Literature. Oxford University Press, 1970.