与元九书 (與元九書) yǔ yuán Jiǔ shū

yǔ yuán Jiǔ shū proper noun Yu Yuan Jiu Shu; Letter to Yuan Zhen
Domain: Literature 文学 , Subdomain: Tang Dynasty , Concept: Poem 诗
Notes: Poem composed by Bai Juyi 白居易 (772－846) as a letter to his friend Yuan Zhen 元稹 (Idema and Haft 1997， p. 128)