Writer, Author · 9 titles
The Coming of CassidyBook· 1972Author
À Bala e a GalopeFilm· 1947Writer
Justiça a MuqueFilm· 1944Writer
Patrulha FronteiriçaFilm· 1943Writer
O ProtetorFilm· 1942Writer
A Última TestemunhaFilm· 1938Writer
Laçada do DestinoFilm· 1937Writer
The Man from Bar-20Book· 1918Author