| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Roman Lettering: A study of the letters of the inscription at the base of the Trajan Column, with an outline of the history of lettering in Britain | 978-0-273-01265-8 (0-273-01265-7) | 1979 |
| Roman Lettering: A Study Of The Letters Of The Inscription At The Base Of The Trajan Column, With An Outline Of The History Of Lettering In Britain. | 978-0-273-42798-8 (0-273-42798-9) | 1965 |