Title: 世界語槪論
Description: Kai shu Shih chieh yü ti li shih chi Shih chieh yü yün tung kai kʻuang. Fen "Shih chieh yü shih shih mo", "Shih chieh yü shih fou hsü yao", "Shih chieh yü yu chʻeng li ti kʻo neng ma?", "na i chung yü yen pʻei tso Shih chieh yü" teng 17 chang.
Subjects: Esperanto