This study, edition, and translation (by one of the most prestigious medieval Scandinavianists in the world) begins with a 160-page monograph on the development of the vernacular Oswald legend in the Germanic world and ends with an edition and translation of the Icelandic Osvalds saga and of Van sunte Oswaldo deme konnighe, the Low German legend of the saint (which has never been edited before) so that Kalinke can show the relationship between the two. Kalinke demonstrates that the earliest vernacular legend of St. Oswald is a no longer extant Low German legend of which the Icelandic legend is a translation.