Yan Zhang1248 – 1320?BooksCi yuan zhu詞源Shan zhong bai yun ci jianCi yuanShan chung pai yün tzʻuShan zhong bai yun ci山中白雲詞Shan zhong bai yunYue fu zhi mi宋代の詞論山中白雲山中白雲詞疏證Zhang YanShan chung pai yün樂府指迷Tzu yüanAuthor data: Open Library