A. Magnon and A. Ashtekar, Translation from French of Élie Cartan's work, "Sur les Varietes a Connexion Affine et la Relativite Generale" with a Commentary and Foreword by A. Trautman, Bibliopolis, Naples, 1986, 199 pages.
A. Ashtekar, Asymptotic Quantization. Bibliopolis, Naples, 1987, 107 pages.
A. Ashtekar, (with invited contributions) New Perspectives in Canonical Gravity.Bibliopolis, Naples, 1988, 324 pages.
A. Ashtekar and J. Stachel, Editors; Conceptual Problems of Quantum Gravity. Proceedings of the 1988 Osgood Hill Conference (Birkhauser, N. Y., 1991), 602 pages.
A. Ashtekar, Lectures on Non-perturbative Canonical Gravity, (Notes prepared in collaboration with R.S. Tate), (World Scientific Singapore, 1991), 334 pages.
A. Ashtekar, R.C. Cohen, D. Howard, J. Renn, S. Sarkar and A. Shimony (Editors), Revisiting the Foundations of Relativistic Physics, Festschrift in honor of John Stachel, Boston Studies in Philosophy of Science, Volume 234, (Kluwer Academic, 2003).