Dover Publications · Heinemann
| title | ISBN-13 | year of publication |
|---|---|---|
| A History of Fortification from 3000 BC to AD 1700 | 978-1-84415-358-9 | 2005 |
| Castles of Great Britain | 978-0-435-32995-2 | 1966 |
| Castles: Their Construction and History | 978-0-486-24898-1 | 1985 |
| History of Fortification | 978-0-435-32997-6 | 1967 |
| Strongholds of India | 978-0-435-32998-3 | 1957 |