The theory and practice of public health / 
Edited by W. Hobson. 
 - 3rd. ed. 
 - London :  Oxford University Press,  1969. 
 - 520 p. :  ill., forms. ;  29 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public health.