Spiegelman, Mortimer <br/><br/>
Introduction to demography / 
Mortimer Spiegelman 
 - Rev. ed. 
 - Cambridge, Mass ;  London :  Harvard University Press,  1968 [Printing 1973]. 
 - xix, 514 p. :  ill. ;  25 cm 
<br/><br/>Includes index and Bibliography: p. [425]-502.  
<br/><br/><label>ISBN: </label>0674461002 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography
<br/><br/><label>Dewey Class. No.: </label>304.6  / SPI  1973