Employment safety and health guide. 

 - volume :  illustrations ;  26cm. 
 - Weekly 
<br/><br/><label>ISSN: </label>00931535 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial safety --Law and legislation--United States.<br/>Industrial hygiene --Law and legislation--United States.
<br/><br/><label>LC Class. No.: </label>KF3568.4   / .E46 1971