Zimmern's work. For example, in Aphorism 61 where Schaf ('sheep') is translated by Zimmern as fool, where the reference is to Sophocles' play Ajax in which the hero charges a herd of sheep. In popular culture References Bibliography Sources Copleston, Frederick C. [1963] 2003. Modern Philosophy: From the Post-Kantian Idealists to Marx, Kierkegaard, and Nietzsche, A History of Philosophy, vol. VII. London: Continuum. . Craig, Gordon A. 1978. Germany: 1866-1945. Oxford: Oxford University Press. Kaufmann, Walter A. 1974. Nietzsche: Philosopher, Psychologist, Antichrist (4th ed.). Princeton: Princeton University Press. —— ed. and trans. 1954. The Portable Nietzsche. New York: Viking Press. —— ed. and trans. 2000. Basic Writings of Nietzsche. New York: Modern Library. Nietzsche, Friedrich W. [1878] 1984. Human, All Too Human: A Book for Free Spirits, translated by M. Faber and S. Lehmann. Lincoln: University of Nebraska Press. —— 1996. Human, All Too Human: A Book for Free Spirits, translated by R. J. Hollingdale. Cambridge: Cambridge University Press. Tanner, Michael, et al. 1997. German Philosophers: Kant, Hegel, Schopenhauer, Nietzsche. Oxford: Oxford University Press. External links Friedrich Nietzsche by Robert Wicks. The Stanford Encyclopedia of Philosophy, edited by Edward N. Zalta. 1878 non-fiction books Books by Friedrich Nietzsche Books critical of Christianity Philosophy books