Philip W. Goetz (Goetz, Philip W.)

• 
  Encyclopaedia Britannica, 1991
  by Philip W. Goetz
  Hardcover, Encyclopaedia Britannica, Incorporated, ISBN 0852295294 (0-85229-529-4)
• 
  via
  Great Books of the Western World
  by Mortimer Jerome Adler, Clifton Fadiman, Philip W. Goetz
  Hardcover, Encyclopaedia Britannica, ISBN 0852295316 (0-85229-531-6)