Industrial safety, 
by T. O. Armstrong, Roland P. Blake, J. J. Bloomfield... [et.al] Edited by Roland P. Blake; foreword by Henry T. Heald. 
 - New York :   Prentice-Hall,   1943. 
 - x, 435 p.  illus., diagrs.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial safety.
<br/><br/><label>Universal Decimal Class. No.: </label>331.45