Gowing, Sidney
Alphabetical Checklist
Series – Sam & Stephen Villiers
- Britain at Bay (London: The Amalgamated Press, 1910) as by John Tregillis
- Britain Invaded! (London: The Amalgamated Press, 1910) as by John Tregillis
- Britain's Revenge! (London: The Amalgamated Press, 1910) as by John Tregillis