Hartley, Ruth Edith,  1909- <br/><br/>
Sociality in preadolescent boys / 
New York, Bureau of Publications, Teachers College, Columbia University, 1946. 
 - Columbia Univ :  Bureau of Publications : New York ; Teachers College,  1972. 
 - 117 p. :  22 cm. 
 - Contributions to education ; no.918. .
<br/><br/> Reprint of the 1946 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 918.  Originally presented as the author's thesis, Columbia. 
<br/><br/>Bibliography: p. 89-94. 
<br/><br/><label>ISBN: </label>0404559182 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Personality tests.<br/>Child psychology.<br/>Social psychology.