Writing

1959

… Screenplay

1956

… Writer

1955

… Screenplay

1953		Titanic … Screenplay
1953		Niagara … Writer

1951		The Model and the Marriage Broker … Writer
1951		The Mating Season … Writer

1950		Sunset Boulevard … Screenplay
1950		Edge of Doom … Writer

1948		Miss Tatlock's Millions … Screenplay
1948		A Foreign Affair … Screenplay
1948		The Emperor Waltz … Writer

1946

… Story … Screenplay

1945

… Screenplay

1943

… Screenplay

1942

… Writer

1941		Ball of Fire … Screenplay
1941		Hold Back the Dawn … Writer

1940

… Screenplay

1939		Ninotchka … Screenplay
1939		What a Life … Screenplay
1939		Midnight … Screenplay

1938		That Certain Age … Writer
1938		Bluebeard's Eighth Wife … Screenplay

1937

… Screenplay

1936		Piccadilly Jim … Writer
1936		Woman Trap … Story
1936		Rose of the Rancho … Screenplay

1935		The Last Outpost … Adaptation
1935		Without Regret … Writer
1935		College Scandal … Screenplay
1935		Enter Madame … Writer

1931

… Story

1929

… Story

1926

… Story