Pollock, H C <br/><br/>
Changing times.  [electronic resource] 

 -  American journal of orthodontics  Jul 1967 
 - 541-4 p.  digital 
<br/><br/> Publication Type: Biography; Historical Article; Journal Article 
<br/><br/><label>ISSN: </label>0002-9416 
<br/><br/><label>Standard No.: </label>10.1016/0002-9416(67)90213-8  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History, 20th Century<br/>Humans<br/>Journalism, Dental--history<br/>Orthodontics<br/>Publishing--history