Thorndike, Edward Lee <br/><br/>
The psychology of algebra 
by Edward L. Thorndike, Margaret V. Cobb, Jacob S. Orleans, Percival M. Symonds, Elva Wald and Ella Woodyard ... 
 - New York  The Macmillan Company  1924. 
 - xi, 483 p.  diagrs. 
<br/><br/>"Bibliography of references made in the text": p. 465-469. 
<br/><br/><label>LCCN: </label>91052188 //r86 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra--Study and teaching.
<br/><br/><label>LC Class. No.: </label>QA159  / .T5