Other works

(1928) Novel: "Axelle". NOTE: Filmed as Surrender (1931).

(1919) Novel: "L'Atlantide". NOTE: Filmed as Journey Beneath the Desert (1961), Die Herrin von Atlantis (1932), Die Herrin von Atlantis (1932), Missing Husbands (1921), L'Atlantide (1972), L'Atlantide (1992), Siren of Atlantis (1949), Die Herrin von Atlantis (1932).

(1916) Novel: "Moscow Nights". NOTE: Filmed as I Stand Condemned (1934), Moscow Nights (1934)/

(1930) Novel: "Le soleil de minuit", NOTE: Filmed as The Midnight Sun (1926).