Writing

1928		Looping the Loop … Writer
1928		Der geheimnisvolle Spiegel … Writer

1927		Apaches of Paris … Screenplay
1927		Eva and the Grasshopper … Writer
1927		The Bordellos of Algiers … Writer

1926

… Writer

1919		Nerves … Screenplay
1919		Opium … Screenplay

1918

… Writer

1917		The Destruction of Mankind … Writer
1917		Ahasver - Das Gespenst der Vergangenheit … Writer
1917		Ahasver - Die Tragödie der Eifersucht … Writer
1917		Ahasver … Writer
1917		Wenn Tote sprechen … Writer
1917		The Revenge of the Homunculus … Writer
1917		Der Weg des Todes … Writer

1916		The Love Tragedy of the Homunculus … Writer
1916		The Mysterious Book … Writer
1916		The Artificial Man … Writer
1916		Homunculus … Screenplay
1916		Das Wunder der Madonna … Writer … Screenplay

1915

… Writer