Darwin, Charles,  1809-1882 <br/><br/>
The Expression of the Emotions in Man and Animals  [electronic resource] / 
Charles Darwin 
 -  Project Gutenberg,  1998 
 - Project Gutenberg  1227 .
<br/><br/> Public domain in the USA. 
<br/><br/>Text 
<br/><br/><label>Subjects--Index Terms: </label>Expression Emotions Psychology, Comparative Instinct 
<br/><br/><label>LC Class. No.: </label>QH