Kant's main works are cited from the following English editions:

Prolegomena to Any Future Metaphysics (1783) [short title: Prolegomena], ed. by Beryl Logan (London and New York: Routledge, 1996).

An Answer to the Question “What is Enlightenment?” (1784) [short title: Enlightenment], in: Immanuel Kant, Practical Philosophy, trans. and ed. by Mary J. Gregor. General Introduction by AllenW.Wood. The Cambridge Edition of the Works of Immanuel Kant (General editors: Paul Guyer and Allen W. Wood) (Cambridge: Cambridge University Press, 1996), pp. 11–22.

Idea for a Universal History with a Cosmopolitan Purpose (1784) [short title: Idea for a Universal History], in: Kant, Political Writings, ed. by Hans Reiss, trans. by H.B. Nisbet (Cambridge: Cambridge University Press, 2nd enlarged ed., 1991), pp. 41–53.

Groundwork of The Metaphysics of Morals (1785) [short title: Groundwork], in: Immanuel Kant, Practical Philosophy, trans. and ed. by Mary J. Gregor. General Introduction by Allen W. Wood. The Cambridge Edition of the Works of Immanuel Kant (Cambridge: Cambridge University Press, 1996), pp. 37–108.

What Does It Mean to Orient Oneself in Thinking? (1786), in: Immanuel Kant, Religion and Rational Theology, trans. and ed. by Allen W. Wood and George di Giovanni. The Cambridge Edition of the Works of Immanuel Kant (Cambridge: Cambridge University Press, 1996), pp. 1–18.

Critique of Pure Reason (2nd edition 1787), trans. and ed. (together with the 1st edition from 1781) by Paul Guyer and Allen W. Wood. The Cambridge Edition of the Works of Immanuel Kant (Cambridge: Cambridge University Press, 1997).