1929:

Alibi. A Play in Three Acts 1929 (French's Acting Edition No. 1177)*

 

1939:

Tea for Three. A Play in One Act 1939*

 

1957:

Towards Zero 1957(*)

 

1973:

Akhnaton. A Play in Three Acts 1973

 

* = Bearbetad för teaterscenen av annan författare.