http://www.firstworldwar.com/index.htm
http://www.fokker-team.de/
http://www.argonautbookshop.com/FREN...poster_art.htm
http://1914-1918.invisionzone.com/forums/index.php?
http://purl.pt/398/1/franca1917.html
http://memorial.flight.free.fr/indexuk.html
http://www.earlyaviator.com/archive1.htm
http://thevintageaviator.co.nz/proje...e5a-walkaround
http://www.mincbergr.net/Museums/Vhu/Spad/spad7.htm
http://www.aeroconservancy.com/
http://www.theaerodrome.com/
http://www.wwi-models.org/
http://www.frontflieger.de/0-navi.html