RT Book T1 Preface (Preface_III_XXVI) T2 BrillOnline Reference Works T2 Coptic Gnostic Library A1 Emmel, Stephen A2 Robinson, James M. LA English PP Leiden Boston PB Brill Academic Publishers YR 2012 UL https://ixtheo.de/Record/1690916281 AB This volume's introductory chapter by Helmut Koester and Elaine Pagels was written in 1977. I am grateful for their willingness to revise it in light of subsequent work on the text and translation and in view of the altered plans for publication K1 Nag Hammadi Codices K1 Gnostic literature DO 10.1163/9789004228900_cgl_aPreface_III_XXVI