In addition to the volunteers serving in the British Battalion, the Anti-Tank Battery and the Medical Services, a number served with other units in Spain. A number served in the navy on torpedo boats and destroyers and several fought with the Republican air force. 

Jack Coward, Back from the Dead, Liverpool: Merseyside Writers, Date unknown.

Brian Bridgeman, The Flyers: the untold story of British and Commonwealth airmen in the Spanish Civil War and other air wars from 1919 to 1940, Swindon: B. Bridgman, 1989.