Commentaries
- Gustav Naumann 1899–1901 Zarathustra-Commentar, 4 volumes. Leipzig : Haessel; http://catalog.hathitrust.org/Record/006124821.
- Higgins, Kathleen. 1987, rev. ed. 2010. Nietzsche's Zarathustra. Philadelphia: Temple University Press.
- osho. 1987. "Zarathustra: A God That Can Dance". Discourse given at OSHO Commune international, Pune, India.
- Lampert, Laurence. 1989. Nietzsche's Teaching: An Interpretation of Thus Spoke Zarathustra. New Haven: Yale University Press.
- Rosen, Stanley. 1995. The Mask of Enlightenment: Nietzsche's Zarathustra. Cambridge: Cambridge University Press (2nd ed. New Haven: Yale University Press, 2004).
- Seung, T. K. 2005. Nietzsche's Epic of the Soul: Thus Spoke Zarathustra. Lanham, MD: Lexington Books.