Beveridge W I B <br/><br/>
Art of scientific investigation 

 - 2 
 -  1953 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Philosophy<br/>Logic-Scientific Method
<br/><br/><label>Dewey Class. No.: </label>R17, J3