Smith, T. Lynn  1903-1976 <br/><br/>
Demography :   principles and methods / 
T. Lynn Smith, Paul E. Zopf, Jr. 
 - 2nd ed. 
 - Philadelphia :  Alfred Publishing co.,  c1976. 
 - xvii, 614 p. :  ill.;  24 cm. 
<br/><br/>Includes bibliographical reference and index 
<br/><br/><label>ISBN: </label>0882840339 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography.
<br/><br/><label>Dewey Class. No.: </label>304.6  / SMD 1976