| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Gesta Normannorum Ducum of William of Jumi`eges, Orderic Vitalis, and Robert of Torigni: Volume I: Introduction and Book I-IV | 978-O-19-822271-2 (O-19-822271-8) | 1992 | William of Jumièges · Orderic Vitalis |
O T · R. T. · Robert O. · Robert T.
Robert Offley Ashburton Crewe-Milnes Crewe