Semper, Carl <br/><br/>
German travavelers on the cordillera (1860-1890) 
by Carl Semper 
 - Manila :  The Filipiniana Book Guild,  1974 
 - 222 p. :  ill. ;  24 cm. 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Philippine Island--Description and travel