Immanuel Kant (1993). “Grounding for the Metaphysics of Morals: with On a Supposed Right to Lie because of Philanthropic Concerns”, p.25, Hackett Publishing
Immanuel Kant, James Wesley Ellington (1994). “Ethical Philosophy: The Complete Texts of Grounding for the Metaphysics of Morals, and Metaphysical Principles of Virtue, Part II of The Metaphysics of Morals, with On a Supposed Right to Lie Because of Philanthropic Concerns”, p.30, Hackett Publishing