Haycocks,H.W. <br/><br/>
Mortality and other investigations / 
H.W.Haycocks and W.Perks 
 - Cambridge :  University Press ,  1955 
 - 100p.:  22 cm. 
 -    vol.1 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography<br/>Mortality
<br/><br/><label>Dewey Class. No.: </label>312.2  / HAY