Text in Latin and Welsh with English translation of most of text on opposite pages.
"All the lives in this volume (save those of Beuno and Wenefreda), as, too, the tracts De situ Brecheniauc, Progenies Keredic, and Generatio s. Egweni, are from the British Museum Cottonian codex, marked Vespasian A. xiv."- -Introd.
Bibliographical references in Introduction (page[vii]-xx). Bibliographical footnotes.
Lives of saints: Bernachius, Brynach. Beuno. Cadocus, Cadog. Carantocus (I and II), Carannog. David, Dewi sant. Gundleius, Gwynllyw. Iltutus, Illtud. Kebius, Cybi. Paternus, Padarn. Tatheus. Wenefred, Gwenfrewi.--Genealogies: De situ Brecheniauc. Cognacio Brychan. Ach Knyauc sant. Generatio st. Egweni. Progenies Keredic. Bonedd y saint