Home › Authors › Moreno, J. L. Moreno, J. L. 4 books Books by Moreno, J. L. Diatomeas del Golfo de Califor Diatomeas del Golfo de California 1996 International Handbook of Grou International Handbook of Group Psychotherapy 1966 The Theatre of Spontaneity The Theatre of Spontaneity 1947 The Theatre of Spontaneity, translated from the German " Das Stegreiftheater" by the author 1947