* Mulatto (1935)
* The First Year (1940)
* Don't You Want to Be Free? (1956)
* Black Nativity (1961)
* Simply Heavenly (1957)
* Tambourines to Glory (1958)
He also wrote some shorter plays, like The Blues (1958) and The Little Hamlet (1940).
It's worth noting that he also wrote several screenplays and radio plays, but he is not primarily known for his playwriting.