Klein, Felix. <br/><br/>
Spatial ability :  its educational and social significance / 
Felix Klein. 
 - New York :  Evanston Colloquium Lectures on Mathematics,  1894. 
 - 396 p. ;  22 cm. 
<br/><br/>Includes bibliography (372-396) 
<br/><br/>311  311 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Ability -- Testing.
<br/><br/><label>Dewey Class. No.: </label>370.26 / S51s