Sorokin, Pitirim A.  1889-1968 <br/><br/>
Time-budgets of human behavior / 
by Pitirim A. Sorokin and Clarence Q. Berger 
 - Cambridge :  Harvard University Press,  1939 
 - xi, 204 p. ;  22 cm. 
 - Harvard sociological studies ;  v.2 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social surveys