Sources | Meet The Red Baron

http://www.theaerodrome.com/services/germany/jasta/jasta11.php

http://www.theaerodrome.com/services/germany/jasta/jasta2.php

http://img.photobucket.com/albums/v519/JFM/02_zps36137a5e.jpg

http://www.theaerodrome.com/forum/showthread.php?t=67590

http://www.theaerodrome.com/forum/showthread.php?t=60646&page=3

http://www.theaerodrome.com/forum/showthread.php?t=30602

Aviation Art

9781898697275

Under the guns of the Red Baron, Norman Franks, Hal Giblin and Nigel McCrery

Vliegtuigen van de wereld, IMP BV

Marke 2 Wereldoorlog 1

0856173061

PJ Carisella & James W Ryan, 1969, Purnell Book Services

https://en.wikipedia.org/wiki/List_of_victories_of_Manfred_von_Richthofen

https://de.wikipedia.org/wiki/Manfred_von_Richthofen

https://en.wikipedia.org/wiki/AEG_G.II

https://en.wikipedia.org/wiki/Royal_Aircraft_Factory_B.E.12

https://en.wikipedia.org/wiki/Royal_Aircraft_Factory_B.E.2

https://en.wikipedia.org/wiki/Armstrong_Whitworth_F.K.8

https://en.wikipedia.org/wiki/Martinsyde_G.100

https://fr.wikipedia.org/wiki/Nieuport_23

https://de.wikipedia.org/wiki/Pfalz_Dr.I

https://aviation-safety.net/wikibase/79802

http://www.ctie.monash.edu.au/hargrave/duigan_3squadron_06.html

http://www.frontflieger.de/4-ric13.html