**O.C.** · OLIVER C · Oliver H. Creighton
| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Castles and Landscapes: Power, Community and Fortification in Medieval England | 978-1-904768-67-8 | 2004 | ||
| Medieval Castles | 978-0-7478-0546-5 | 2003 | Robert Higham | |
| Medieval Town Walls: An Archaeology and Social History of urban Defence: An Archaeology and Social History of Defence | 978-0-7524-1445-4 | 2005 | " | |
| Open-Source-Software: Eine ökonomische und technische Analyse | 978-3-540-20366-7 | 2004 | Bernd Brügge · Dietmar Harhoff · Arnold Picot · Marina Fiedler · Joachim Henkel | |
Equinox Publishing Ltd · Shire Publications · Springer · The History Press