BIBLIOGRAPHY
http://www.airpowerworld.info/ww1-fighter-planes/sopwith-triplane-ww1-fighter-plane.htm
http://www.youtube.com/watch?v=Y7pAlhPB--M
http://history1900s.about.com/library/photos/blywwi17.htm
http://www.rcgroups.com/forums/attachment.php?s=b85f109475b4bc8b541e628196c8873b&attachmentid=3790492
http://library.thinkquest.org/J0110426/wwI/ww1.html
http://www.nationalmuseum.af.mil/shared/media/photodb/photos/050405-F-1234P-006.jpg
https://www.youtube.com/watch?v=jxucZpzJJZg
https://www.youtube.com/watch?v=8-LSDMczh7w
http://www.historylearningsite.co.uk/aircraft_world_war_one.htm
http://ww1facts.net/war-in-the-air/ww1-planes/
http://www.crazywebsite.com/Website-Clipart-Pictures-Videos/Aircraft/WWI/Copyright_Free_Images_WWI_Weapons_Allied_Airborne_Aircraft_Formation_Photo-1.jpg