Volume 5: The Aftermath (1918–1928). London: Butterworth. 1929. Diesbach, Ghislain de. Secrets of the Gotha. translated from the French by Margaret Crosland
Popular Electronics, 1042170X, November 1999, Vol. 16, Issue 11. Thibault, Ghislain, "The Automatization of Nikola Tesla: Thinking Invention in the Late Nineteenth