Yasuba,Yasukichi <br/><br/>
Birth rates of the white population in the United States, 1800-1860:  an economic study / 
Yasukichi Yasuba 
 - Baltimore :  Hopkins ,  1962 
 - 198, xp.:  22 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertility<br/>Demography
<br/><br/><label>Dewey Class. No.: </label>312.1  / YAS