| freeserve.co.uk | Army Zeppelin LZ85 |
| fokkerdr1.com | Fokker Dr1.com |
| crossandcockade.com | Cross and Cockade International |
| shaw.ca | Rosebud's WWI Aviation Image Archive |
| utdallas.edu | George H. Williams WW-I Aviation Library |
| overthefront.com | The League of WW-I Aviation Historians |
| jastaboelcke.de | Koeniglich Preussische Jagdstaffel 2 "Boelcke" |
| schoolnet.co.uk | Encyclopedia of the First World War |
| demon.co.uk | Hellfire Corner |
| firstworldwar.com | First World War.com - A Multimedia History Of World War One |
| overthefront.com | www.overthefront.com/ |
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