- Novel: "Der Unsichtbare Mensch" (filmed as Der unsichtbare Mensch (1916)).
- Novel: "Sacrifice" (filmed as Sacrifice (1918)).
- Novel: "Der Geisterseher" (filmed as Der Geisterseher (1923)).
- Novel: "The Man Who Cheated Life" (filmed as The Student of Prague (1926)).
- Novel: "A Daughter of Destiny" (filmed as A Daughter of Destiny (1928)).
- Novel: "Fundvogel" (filmed as Fundvogel (1930)).
- Novel: "Horst Wessel" (filmed as Hans Westmar (1933)).
- Novel: "Grafin Volescu" (filmed as Gräfin Volescu (1936)).
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