www.theaerodrome.com Best educational site/forum for enthusiasts
www.quax-flieger.de People addicted to flying vintage aicraft
www.jastaboelcke.de Simply great stuff
www.canvasfalcon.com Another to collection
www.motobende.de Engine repairs and restaurations
www.aeroconservancy.com Great collection
www.biplanes.de People addicted to flying vintage aicraft
www.buddecke.de Great photos
www.aeroclocks.com Propeller and of course RAF sector clocks
www.thevintageaviator.com Best collection of everything wwi aviation
www.sanke-cards.com The best online site dedicated to sanke cards