a study of the play-element in culture a study of the play element in culture 游戏的人：文化的游戏要素研究：a study of the play-element in culture 游戏人：对文化中游戏因素的研究：a study of the play element in culture a study of the Japanese modern literatures a study of the ancient language a study of folk material culture a study of urban culture a study of the changing American character a study of the cultural spirit in Mencius