Bidwell Percy W <br/><br/>
Rawn materials. 
Bidwell Percy W 
 -  1958 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial Economics
<br/><br/><label>Dewey Class. No.: </label>X9.73, J8