Philip Kay
 | Britain's Secret Treaty (1914) Sexton Blake |
| | The Kaiser's Spies (1914) Sexton Blake |
| | The Mystery of the Diamond Belt (1914) Sexton Blake |
| | Britain's Secret Treaty (1914) Sexton Blake |
| | The Kaiser's Spies (1914) Sexton Blake |
| | The Mystery of the Diamond Belt (1914) Sexton Blake |