selection, introduction and commentary by Sir Geoffrey Keynes translation, introduction, and commentary by Paul F. O'Rourke. with a new introduction and commentary by Michael White. Edited with introduction and commentary by Ralph E. Weber introduction and commentary by Gary Gerani [introduction and commentary by Peter Barberie. edited with an introduction and commentary by Archie Burnett introduction and commentary by Linda Gordon. selection, introduction and translation by David Brookshaw introduction and commentary by Clement Cheroux