John D. Wild (Wild, John D.)

• 
  The Challenge of Existentialism
  by John D. Wild
  Hardcover, Greenwood Publishing Group, Incorporated, ISBN 0313211272 (0-313-21127-2)
• 
  The Radical Empiricism of William James
  by John D. Wild, William James
  Hardcover, Greenwood Publishing Group, Incorporated, ISBN 0313226415 (0-313-22641-5)