William E. Kaufman, "Mordecai M. Kaplan and Process Theology: Metaphysical and Pragmatic Perspectives," Process Studies 20 (1991). Available online at 存档副本. [2011-04-01]. (原始内容存档于2011-11-01)..
William E. Kaufman, "Mordecai M. Kaplan and Process Theology: Metaphysical and Pragmatic Perspectives," Process Studies 20 (1991). Available online at 存档副本. [2011-04-01]. (原始内容存档于2011-11-01)..