The Power of Ideas, ed. Henry Hardy (London, 2000: Chatto and Windus; Princeton, 2000: Princeton University Press; London, 2001: Pimlico)

• reprints of Bibs. 27, 43, 52, 54(a), 55, 62, 63, 65, 78, 85, 102, 103, 111, 113, 115, 127, 221, 240, together with 248
• trans. German, Italian, Portuguese, Spanish

2nd. ed., foreword by Avishai Margalit (Princeton, 2013: Princeton University Press)

• adds an appendix containing Bibs. 94(a), 260 and 273(a)