H.T. · Hilary & John Travis · Hilary and John Travis
| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Ancient Rome A Colouring Book | Paperback | 978-1-4456-5961-9 | 2016 | John Robert Travis |
| Roman Body Armour | " | 978-1-4456-0803-7 | 2012 | " |
| Roman Body Armour | Hardcover | 978-1-4456-0359-9 | 2011 | " |
| Roman Helmets | Paperback | 978-1-4456-6009-7 | 2016 | " |
| Roman Helmets | Hardcover | 978-1-4456-3842-3 | 2014 | " |
| Roman Shields | " | 978-1-4456-3838-6 | 2014 | " |