Author Paul H Blanchard             Published in 1955          Published by Thermal Equipment Ltd, London

Author F Warren Merriam    Published in 1954     Published by BT Batsford, Ltd, London

The art of gliding and soaring. Author Lewin B Barringer.  Published in 1940.  Published by Pitman Publishing Corporatin, New York.

Third edition Authors Ann and Lorne Welch      Published in 1961    Published by the British Gliding Association

Author Philip Wills    Published in 1973    Published by John Murray, London For copyright reasons, only a sample of this book is available

Authors FH Ludland and RS Scorer    Published in 1954   Published by Allan Wingate (Publishers) Ltd, London

Authors L Howard-Flanders and CF Carr    Published in 1930    Published by Pitman & Sons, London

Authors F Stamer and A Lippisch    Published in 1930   Published by John Lane The Bodley Head, London

Author J Bernard Weiss   Published in 1923     Published by Sampson Low, Martson & Co, London

Author Hans Jacobs   Published in 1935    Published by Verlag Maier Ravensburg