Debate and oral discussion,
O'Neill, J. M. (James Milton)., Cortright, R. L. (1931). Debate and oral discussion. Rev. ed. New York: The Century company.
O'Neill, James M. (James Milton), 1881-1970, and Rupert L. Cortright. Debate And Oral Discussion. Rev. ed. New York: The Century company, 1931.
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