Humphrey, George,  1889- <br/><br/>
Thinking :  an introduction to its experimental psychology. 

 - New York :  Science Editions,  1963. 
 - xi, 331 p. ;  23 cm. 
<br/><br/>Bibliography: p. 316-324. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking.