How to fly a plane, 2014: t.p. (Captain Barber RFC)

The aeroplane speaks, 1997: title screen (H. Barber)

Early Birds of aviation, WWW site, Mar. 10, 2004: membership list (Horatio Barber, 1875-1964)

Wikipedia, viewed 17 February 2015 (Captain Horatio Claude Barber born in 1875 in Croydon, London, England and died 1964 in Jersey, Channel Islands; was an early British aviation pioneer and First World War flight instructor. In 1911 he flew the first cargo flight in Britain, transporting electric light bulbs from Shoreham to Hove. He was also the first person in Great Britain to gain an aeronautical degree)