Changes

*[https://archive.org/details/Coningham/mode/2up ''Coningham: A Biography Of Air Marshal Sir Arthur Coningham, KCB, KBE, DSO, MC, DFC, AFC''] by Vincent Orange 1992, first published 1990. WW1 period commences [https://archive.org/details/Coningham/page/n23/mode/2up page 13]. Archive.org Books to Borrow/Lending Library.

*[https://archive.org/details/inteethofwindsto00squa ''In the Teeth of the Wind : the story of a naval pilot on the Western Front, 1916-1918''] by Squadron Leader CPO Bartlett, edited by his son Nick Bartlett 1994. Archive.org Lending Library. Additional front cover title ''Memoir of the Royal Naval Air Service''. Catalogue entry states "Revised edition of: ''Bomber pilot, 1916-1918''. London : Ian Allan Ltd., 1974", the latter edited by Chaz Bowyer.

*[https://archive.org/details/isbn_9781559705264 ''Horses Don't Fly''] by Frederick Libby 2000 Archive.org Lending Library. An American who enlisted in the Canadian Army, and subsequently transferred to the Royal Flying Corps, initially as an observer, which included a machine gunner role. He subsequently was commissioned and became a pilot, awarded the Military Cross. [https://www.rafmuseum.org.uk/research/online-exhibitions/americans-in-the-royal-air-force/americans-in-the-british-flying-services-1914-1945/captain-frederick-libby.aspx Captain Frederick Libby] rafmuseum.org.uk. [http://www.historynet.com/flying-cowboy-frederick-libby.htm HistoryNet article: "The Flying Cowboy"] by Derek O’Connor.

*[https://archive.org/details/millionairesunit00wort ''The Millionaire's Unit: the aristocratic flyboys who fought the Great War and invented America's airpower''] by Marc Wortman 2006. Archive.org Lending Library.