petersen, william . <br/><br/>
Population / 
by William Petersen . 
 - New York :  The Macmillan Company ,  1961 . 
 - xix, 652 p. :  ill. ;  28 cm . 
<br/><br/><label>Subjects--Topical Terms: </label><br/>American immigration policy<br/>Internal migration
<br/><br/><label>Dewey Class. No.: </label>301.32973  / PET N61P