Kindai Nihon engeki ronsōshi - Sugai, Yukio 1927- (Miraisha, 1979)
Collection of articles published in Higeki kigeki, Apr. 1977-Sept. 1978
Engeki kairyō ronsō--Botsurisō ronsō--Rekishigeki ronsō--Shizen shugi ronsō--"Geijutsu to jikkō" ronsō--Jiyū gekijō ronsō--Honʼyakugeki ronsō--Butai keishōka ronsō--Tsukiji shōgekijō ronsō--Puroretaria engeki ronsō--Engeki honshitsuron ronsō--Shakai shugi riarizumu ronsō--Kokumin engekiron ronsō