Concepts and Categories: Philosophical Essays, ed. Henry Hardy, with an introduction by Bernard Williams (London, 1978: Hogarth Press; New York, 1979: Viking; Oxford, 1980: Oxford University Press; New York, 1981: Penguin; London, 1999: Pimlico; Princeton, 1999: Princeton University Press)

• reprints of Bibs. 25, 35, 36, 64, 77, 81, 85, 93
• trans. Italian, Japanese (in part), Spanish

2nd. ed., foreword by Alasdair MacIntyre (Princeton, 2013: Princeton University Press)

• adds an appendix containing reprints of Bibs. 22, 95(a), 161(a), 171 (in part), 217, 219, the first draft of 229 (275), and letters on the genesis of the book (277)