Griffith, Grosvenor Talbot. <br/><br/>
Population problems of the age of Malthus. 

 - 2nd ed. 
 - New York :  A.M. Kelley,  1967. 
<br/><br/>Bibliography: p. [277]-280. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Malthusianism.<br/>Population.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Great Britain -- Population.--Great Britain -- Population.<br/>Great Britain -- Statistics, Vital.--Great Britain -- Statistics, Vital.