1 2 Friedman, David M. A Mind of Its Own: A Cultural History of the Penis. New York: The Free Press, 2001 ↑ Nicolas Malebranche, De la recherche de la vérité (The Search After Truth), book I, chapter VI, first section (1674-1675) ↑ Smith, Justin Erik. “Leibniz’s Preformationism: Between Metaphysics and Biology.”Analecta Husserliana, the Yearbook of Phenomenological Research.