表表現の自由とはなにか表現の自由とはなにかde Yasuhiro OkudairaMateriasFreedom of informationObscenity (Law)Mass mediaCensorshipEdiciones (1)表現の自由とはなにか (1970)Chūō Kōronsha · japonésMás obras de Yasuhiro OkudairaSShūdanteki jieiken no nani ga mondai kaShūdanteki jieiken no nani ga mondai ka""Hyogen no jiyu" o motomete"Hyogen no jiyu" o motometeHHirahira bunka hihanHirahira bunka hihan