49 Squadron RAF: http://www.49squadron.co.uk/
218 Squadron RAF: https://218squadron.wordpress.com/
Australia @ war: https://www.ozatwar.com/
Australian war memorial: Australian War Memorial
Battle of Britain: http://battleofbritain1940.com/
British and Commonwealth Air Unit Register van Frank Haslam. Hier kan men adressen vinden van squadrons, RAF Stations, Training and Maintenance Units, Wings, Groups en Commands: http://www.associations.rafinfo.org.uk
Commonwealth War Graves Commission: https://www.cwgc.org/
Czechoslovak Airmen in the Royal Air Force 1940-1945: https://cz-raf.webnode.cz/
Dambusters Blog: https://dambustersblog.com/
International Bomber Command Centre: https://internationalbcc.co.uk/
International Bomber Command Centre Losses Database: https://losses.internationalbcc.co.uk/
Lancaster bombers net (also includes other bombers): https://www.lancasterbombers.net/
Legion Magazine (Canadees tijdschrift): Legion Magazine
Polish Squadrons Remembered: http://www.polishsquadronsremembered.com/
Polish WWII Aces: http://members.tripod.com/~marcin_w/index-paces.html
RAF Commands: http://www.rafcommands.com/
WWII, a British Focus: http://warlinks.com/