- Novel: "The Common Law". NOTE: Filmed as The Common Law (1916).
- (1934) Stories: "Secret Service Operator 13". NOTE: Filmed as Operator 13 (1934).
- (1895) Novel: "The King in Yellow"
- (1917) Novel: "The Dark Star". NOTE: Filmed as The Dark Star (1919).
- (1919) Story: "In Secret". NOTE: Filmed as The Black Secret (1919).
- Novel: "Forest-Land"
- Novel: "Orchard-Land"
- Novel: "The Maids of Paradise"
- Novel: "Outdoor Land"
- Novel: "The Maid-at-Arms"
- Novel: "Ashes of Empire"
- Novel: "Lorraine"
- Novel: "With the Band"
- Novel: "The Maker of Moons"
- Novel: "A King and a Few Dukes"
- Novel: "The Red Republic"
- (1926) Biography (of Captain Kidd): "The Man They Hanged".
- Novel: "The Mystery of Choice"
- Novel: "Between Friends". NOTE: Filmed as Between Friends (1924).
- Novel: "The Shining Band". NATE: Filmed as Even as Eve (1920).
- Playwright: "The Danger Mark". NOTE: Filmed as The Danger Mark (1918).
- (1906) Novel: "Tracer of Lost Souls".
- (1909) Novel: "The Danger Mark".
- (1915) Novel: "Who Goes There?".
- (1918) Novel: "Laughing Girl".
- Story: "Pickets". NOTE: Filmed as A Time Out of War (1954).
- Novel: "The Shining Band". NOTE: Filmed as Even as Eve (1920).
- (1925) Novel: "The Mystery Lady".
- (1920) Novel: "Slayer of Souls".
- (1917) Novel: "The Barbarians".
- Novel: "Between Friends". NOTE: Filmed as Between Friends (1924).
- Novel: "Anne's Bridge". NOTE: Filmed as The Fettered Woman (1917).
- Novel: "Cardigan". NOTE: Filmed as Cardigan (1922).
- (1919) Novel: "Moonlit Way".
- Novel: "The Reckoning". NOTE: Filmed as The Reckoning (1908)
- (1919) Novel: "The Cambric Mask". NOTE: Filmed as The Cambric Mask (1919).
- (1916) Novel: "The Hidden Children". NOTE: Filmed as The Hidden Children (1917).
- Novel: "The Business of Life". NOTE: Filmed as The Business of Life (1918).
- Novel: "The Restless Sex". NOTE: Filmed as The Restless Sex (1920).
- Novel: "My Girl Philippa". NOTE: Filmed as The Girl Philippa (1916).
- Novel: "The Fighting Chance". NOTE: Filmed as The Fighting Chance (1916), The Fighting Chance (1920).
- Novel: "The Firing Line". NOTE: Filmed as The Firing Line (1919).
- Story: "The Girl of Today". NOTE: Filmed as The Girl of Today (1918).
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