Jesse Keskiaho completed his doctorate in General History in 2013 at the University of Helsinki. His research interests focus on the intellectual and religious history of the Latin West in the early Middle Ages, particularly manuscript culture. He spent the academic year 2014-15 as a visiting scholar at the University of Cambridge, pursuing a study of the early medieval annotations to Augustine's De Genesi ad litteram. Beyond his main area of study, he has collaborated in the study and digitisation of the medieval parchment fragments of the National Library in Helsinki, and co-ordinated the Codices Fennici project for the Finnish Literary Society, cataloguing and planning the digitisation of all medieval and sixteenth-century manuscripts copied or used in Finland. He has also participated in a project of the Institutum Romanum Finlandiae, researching oracles and divination in the ancient world. He spent the academic year 2005-6 at the Institutum Romanum Finlandiae as the Wihuri postgraduate fellow. From 2006 to 2013 he served on the board of Glossa, the Society for Medieval Studies in Finland; from 2012 to 2013 as the president of the society. Since 2006 he has been the editor-in-chief of Mirator, a peer-reviewed online journal devoted to medieval studies.

• 1. Introduction; 2. Dreams in hagiography and other narratives; 3. Dreams and apparitions: patristic ideas and their reception; 4. The epistemology of visions: the reception of Augustine on the three visiones; Epilogue: dreams and visions in early medieval thought; Appendix: the pre-tenth-century manuscripts of the main works discussed; Bibliography; Index.

Jesse Keskiaho completed his doctorate in General History in 2013 at the University of Helsinki. His research interests focus on the intellectual and religious history of the Latin West in the early Middle Ages, particularly manuscript culture. He spent the academic year 2014-15 as a visiting scholar at the University of Cambridge, pursuing a study of the early medieval annotations to Augustine's De Genesi ad litteram. Beyond his main area of study, he has collaborated in the study and digitisation of the medieval parchment fragments of the National Library in Helsinki, and co-ordinated the Codices Fennici project for the Finnish Literary Society, cataloguing and planning the digitisation of all medieval and sixteenth-century manuscripts copied or used in Finland. He has also participated in a project of the Institutum Romanum Finlandiae, researching oracles and divination in the ancient world. He spent the academic year 2005-6 at the Institutum Romanum Finlandiae as the Wihuri postgraduate fellow. From 2006 to 2013 he served on the board of Glossa, the Society for Medieval Studies in Finland; from 2012 to 2013 as the president of the society. Since 2006 he has been the editor-in-chief of Mirator, a peer-reviewed online journal devoted to medieval studies.

• 1. Introduction; 2. Dreams in hagiography and other narratives; 3. Dreams and apparitions: patristic ideas and their reception; 4. The epistemology of visions: the reception of Augustine on the three visiones; Epilogue: dreams and visions in early medieval thought; Appendix: the pre-tenth-century manuscripts of the main works discussed; Bibliography; Index.

Jesse Keskiaho completed his doctorate in General History in 2013 at the University of Helsinki. His research interests focus on the intellectual and religious history of the Latin West in the early Middle Ages, particularly manuscript culture. He spent the academic year 2014-15 as a visiting scholar at the University of Cambridge, pursuing a study of the early medieval annotations to Augustine's De Genesi ad litteram. Beyond his main area of study, he has collaborated in the study and digitisation of the medieval parchment fragments of the National Library in Helsinki, and co-ordinated the Codices Fennici project for the Finnish Literary Society, cataloguing and planning the digitisation of all medieval and sixteenth-century manuscripts copied or used in Finland. He has also participated in a project of the Institutum Romanum Finlandiae, researching oracles and divination in the ancient world. He spent the academic year 2005-6 at the Institutum Romanum Finlandiae as the Wihuri postgraduate fellow. From 2006 to 2013 he served on the board of Glossa, the Society for Medieval Studies in Finland; from 2012 to 2013 as the president of the society. Since 2006 he has been the editor-in-chief of Mirator, a peer-reviewed online journal devoted to medieval studies.

• 1. Introduction; 2. Dreams in hagiography and other narratives; 3. Dreams and apparitions: patristic ideas and their reception; 4. The epistemology of visions: the reception of Augustine on the three visiones; Epilogue: dreams and visions in early medieval thought; Appendix: the pre-tenth-century manuscripts of the main works discussed; Bibliography; Index.