1	Graeme Henderson. 'The Concise History of Hang Glidng'
2	Mark Woodhams. 'Who Invented the Flex Wing Hang Glider'.
3	Stephane Malboss. A section taken from one of his Books.
4	Stephane Malboss. '30 Years of Hang Gliding'.
5	Stephane Malboss. A German Magazine article.
6	Dave Lang. A Kite Timeline.
7	Graeme Henderson. 'Fly Like a Bird'.
8	Graeme Henderson. 'Role of the Dickenson Wing in Aviation'.
9	The Australian Concrete Glider.
10	'On the Shoulder of Titans' by B.C. Hacker & J.M. Grimwood.
11	Ken de Russy. Hang Gliding & Paragliding Magazine article
12	Mark Woodhams. ..Did we really fly Rogallo wings?
13	.