Ritchie, Arthur David,  1891- <br/><br/>
Science and politics / 
Arthur David Ritchie. 
 - London :  Oxford University Press,  1947. 
 - 46 p.  ;  23 cm. 
 - Riddell memorial lectures, 19th ser. .
<br/><br/> At head of title: University of Durham. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science and state.
<br/><br/><label>Dewey Class. No.: </label>P 507.2 R57