Gowing, Sidney
Chronological Checklist
- The Secret of the Thames (London: The Amalgamated Press, 1909) as by John Tregillis
- Britain Invaded! (London: The Amalgamated Press, 1910) as by John Tregillis
- Britain at Bay (London: The Amalgamated Press, 1910) as by John Tregillis
- Britain's Revenge! (London: The Amalgamated Press, 1910) as by John Tregillis
- Kaiser or King?: How Britain Fought for Life (London: The Amalgamated Press, 1913) as by John Tregillis
- The Conquest of London (London: The Amalgamated Press, 1913) as by John Tregillis
- The Flying Armada (London: The Amalgamated Press, 1913) as by John Tregillis
- The Emperor of the Air (London: The Amalgamated Press, 1913) as by John Tregillis
- The Legions of the Kaiser (London: The Amalgamated Press, 1915) as by John Tregillis
- The Mailed Fist (London: The Amalgamated Press, 1915) as by John Tregillis
- The Spider Woman (London: Herbert Jenkins, 1920) as by John Goodwin
- When Dead Men Tell Tales (New York: G P Putnam's Sons, 1928)