Shirley, Mary M. <br/><br/>
The first two years :  a study of twenty-five babies / 
by Mary M. Shirley 
 - Minneapolis :  The University of Minnesota Press,  1933- 
 - v. ;  19 cm. 
 - University of Minnesota the Institute no.VII .
<br/><br/> Library has vol.2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education