Yu Yonghe (清) 郁永河 <br/><br/>
Cai liu ri ji 采硫日記 
Yu Yonghe (清) 郁永河 [撰] 
 - 據清咸豐伍崇曜校刊本影印 
 - 粵雅堂叢書  070 .
<br/><br/>Qing-zeitliche Geographie Taiwans 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography -- Regional -- Taiwan -- Sulfur -- Qing