Spengler,Joseph J and Duncan,Otis Dudley. <br/><br/>
Demographic Analysis  Textual Documents 

 - 1956. 
 - London:  The Free Press of Glencoe,  1956. 
 - xiii;819p.:  03556. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Statistics,Fertility Nuptiality and Replacement,Selected Regional Studies.
<br/><br/><label>Dewey Class. No.: </label>D1 S5