Romolo Cegna (1925–2018) was Director of the Italian Cultural Institute and Cultural Attaché at the Embassy of Italy in Poland and held professorships in medieval religious history and Hussitism at the University of Warsaw and at the State University of Milan.Christoph Galle, Dr. phil. (2012), Justus-Liebig-Universität Gießen, is Postdoc in Medieval History. His publications deal with aspects of the political, social and cultural history of the Middle Ages as well as medieval Latin philology and palaeography.Wolf-Friedrich Schäufele, Dr. theol. (1997), Philipps-Universität Marburg, is Professor of Church History and author of several monographs and articles on medieval, Reformation and early modern Christianity, including Kirchengeschichte II: Vom Spätmittelalter bis zur Gegenwart (Ev. Verlagsanstalt, 2021).

• PrefaceAbbreviationsIntroduction: The Opus arduum valde: Origin—Character—Tradition—EditionWolf-Friedrich Schäufele1 Opus arduum valde: The Title2 The Author3 The Current Situation4 Date and Place of Writing5 Sources6 The Prologues7 Content and Main Aspects8 The Theological Profile of the OAV9 An Attempt to Identify the Author10 The OAV in Bohemia11 The Manuscripts12 Reconstruction of the History of Transmission and Formation of a Stemma CodicumExcursus: The Transmission of OAV 713 The Edition by Martin Luther14 Editorial PrinciplesOpus arduum valdeProloguesApocalypsis IApocalypsis IIApocalypsis IIIApocalypsis IVApocalypsis VApocalypsis VIApocalypsis VIIApocalypsis VIIIApocalypsis IXApocalypsis XApocalypsis XIApocalypsis XIIApocalypsis XIIIApocalypsis XIVApocalypsis XVApocalypsis XVIApocalypsis XVIIApokalypsis XVIIIApocalypsis XIXApocalypsis XXApocalypsis XXIApocalypsis XXIIBibliographyIndex

Romolo Cegna (1925–2018) was Director of the Italian Cultural Institute and Cultural Attaché at the Embassy of Italy in Poland and held professorships in medieval religious history and Hussitism at the University of Warsaw and at the State University of Milan.Christoph Galle, Dr. phil. (2012), Justus-Liebig-Universität Gießen, is Postdoc in Medieval History. His publications deal with aspects of the political, social and cultural history of the Middle Ages as well as medieval Latin philology and palaeography.Wolf-Friedrich Schäufele, Dr. theol. (1997), Philipps-Universität Marburg, is Professor of Church History and author of several monographs and articles on medieval, Reformation and early modern Christianity, including Kirchengeschichte II: Vom Spätmittelalter bis zur Gegenwart (Ev. Verlagsanstalt, 2021).

• PrefaceAbbreviationsIntroduction: The Opus arduum valde: Origin—Character—Tradition—EditionWolf-Friedrich Schäufele1 Opus arduum valde: The Title2 The Author3 The Current Situation4 Date and Place of Writing5 Sources6 The Prologues7 Content and Main Aspects8 The Theological Profile of the OAV9 An Attempt to Identify the Author10 The OAV in Bohemia11 The Manuscripts12 Reconstruction of the History of Transmission and Formation of a Stemma CodicumExcursus: The Transmission of OAV 713 The Edition by Martin Luther14 Editorial PrinciplesOpus arduum valdeProloguesApocalypsis IApocalypsis IIApocalypsis IIIApocalypsis IVApocalypsis VApocalypsis VIApocalypsis VIIApocalypsis VIIIApocalypsis IXApocalypsis XApocalypsis XIApocalypsis XIIApocalypsis XIIIApocalypsis XIVApocalypsis XVApocalypsis XVIApocalypsis XVIIApokalypsis XVIIIApocalypsis XIXApocalypsis XXApocalypsis XXIApocalypsis XXIIBibliographyIndex

Romolo Cegna (1925–2018) was Director of the Italian Cultural Institute and Cultural Attaché at the Embassy of Italy in Poland and held professorships in medieval religious history and Hussitism at the University of Warsaw and at the State University of Milan.Christoph Galle, Dr. phil. (2012), Justus-Liebig-Universität Gießen, is Postdoc in Medieval History. His publications deal with aspects of the political, social and cultural history of the Middle Ages as well as medieval Latin philology and palaeography.Wolf-Friedrich Schäufele, Dr. theol. (1997), Philipps-Universität Marburg, is Professor of Church History and author of several monographs and articles on medieval, Reformation and early modern Christianity, including Kirchengeschichte II: Vom Spätmittelalter bis zur Gegenwart (Ev. Verlagsanstalt, 2021).

• PrefaceAbbreviationsIntroduction: The Opus arduum valde: Origin—Character—Tradition—EditionWolf-Friedrich Schäufele1 Opus arduum valde: The Title2 The Author3 The Current Situation4 Date and Place of Writing5 Sources6 The Prologues7 Content and Main Aspects8 The Theological Profile of the OAV9 An Attempt to Identify the Author10 The OAV in Bohemia11 The Manuscripts12 Reconstruction of the History of Transmission and Formation of a Stemma CodicumExcursus: The Transmission of OAV 713 The Edition by Martin Luther14 Editorial PrinciplesOpus arduum valdeProloguesApocalypsis IApocalypsis IIApocalypsis IIIApocalypsis IVApocalypsis VApocalypsis VIApocalypsis VIIApocalypsis VIIIApocalypsis IXApocalypsis XApocalypsis XIApocalypsis XIIApocalypsis XIIIApocalypsis XIVApocalypsis XVApocalypsis XVIApocalypsis XVIIApokalypsis XVIIIApocalypsis XIXApocalypsis XXApocalypsis XXIApocalypsis XXIIBibliographyIndex