元元豐題跋元豐題跋de Gong ZengEdiciones (3)元豐題跋 (1967)Yi wen yin shu guan · chino元豐題跋 (1936)Shang wu yin shu guan · chino元豐題跋 (1923)Bo gu zhai · chinoMás obras de Gong ZengLLong ping jiLong ping jiNNan-feng hsien sheng Yüan-feng lei kaoNan-feng hsien sheng Yüan-feng lei kaoNNanfeng xian sheng Yuanfeng lei gaoNanfeng xian sheng Yuanfeng lei gao