Writing
Dangerous Crossing
1953 · Radio Play
The Man with a Cloak
1951 · Story
The Man in Black
1950 · Original Story
The Burning Court
1962 · Author
Colonel March of Scotland Yard
1956 · Novel
That Woman Opposite
1957 · Novel
Treacherous Crossing
1992 · Radio Play
The Dow Hour of Great Mysteries
1960 · Novel
Morte a passo di valzer
1979 · Novel
