The present volume has been prepared in honour of Prof dr Jacques Noret, member of the Institute for Palaeochristian and Byzantine Studies of the Catholic University of Leuven and editor of the "Series Graeca" of the "Corpus Christianorum". It contains the contributions of some forty leading scholars - M. Bibikov, C. Boudignon, P. Canart, W. Clarysse, G. Conticello, V. Conticello, J. Declerck, K. Demoen, D. Desmet, G. Dorival, R.Y. Ebied, M. Featherstone, S. Gysens, H. Hauben, A. Jacob, B. Janssens, P. Karlin-Hayter, M. Kohlbacher, C. Laga, C. Mace, N. Maes, B. Markesinis, J. Munitiz, B. Neil, J. Nesbitt, Th. Olajos, M. Pirard, G. Podskalsky, C. Riedweg, B. Roosen, J. Schamp, J. Scharpe, D. Sieswerda, M. Starowieyski, C. Steel, A. Tihon, Fr. Thomson, P. Van Deun, J. Van Reeth, J. Verheyden, S. Voicu, L.R. Wickham and U. Zanetti - and focuses on the themes dear to the honoree: critical editions of Patristic or Byzantine texts; the transmission and contents of literary works of the Patristic and By