a study of Heller's aesthetic thought study on Schiller's aesthetic thoughts = Study on Lotman's aesthetic thoughts A study of later Heidegger's aesthetics thought Study on Lotman's aesthetic thoughts Study of later Heidegger's aesthetics thought 作为文化批判的审美：赫勒美学思想研究：a study of Heller's aesthetic thought A study of Jixia academic thought A study on Lenin's strategic thought a study on Lefebvre's later period thought
