• Kaufmann, Walter, Nietzsche: Philosopher, Psychologist, Antichrist, Princeton University Press, 1974.
  • The Gay Science: With a Prelude in Rhymes and an Appendix of Songs by Friedrich Nietzsche; translated, with commentary, by Walter Kaufmann (Vintage Books, March 1974, ISBN 0-394-71985-9)
  • PĂ©rez, Rolando. Towards a Genealogy of the Gay Science: From Toulouse and Barcelona to Nietzsche and Beyond. eHumanista/IVITRA. Volume 5, 2014.