How many movies have Angela R. Prokop and L. Frank Baum collaborated on?

They have worked on 1 movie together! Their first movie together was The Marvelous Land of Oz (1981) and was their highest rated movie together. They have not worked together since The Marvelous Land of Oz (1981).

Role
Women's Army of Revolt / Citizens of Oz (as Angela B. Prokop)
Crew
Novel
Crew
Thanks