Collected papers, 1967 :  the 13th Inter-Institutional Seminar in Human Development and Learning, Waldenwoods Conference Center, Hartland, Michigan and Greenfield Village, Dearborn, Michigan, August, 1967 

 - Dearborn :  Edison Institute,  1967 
 - 100 p. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child study--Congresses