Occupational safety and health act of 1969.  Hearings, Ninety-first Congress, first session ... 

 - Washington  U.S. Govt. Print. Off.  1970- 
 - v.  illus.  24 cm. 
<br/><br/> Hearings held Sept. 24 1969.  Hearings on H.R. 843, 3809, 4294, and 13373. 
<br/><br/><label>LCCN: </label>72606062  
<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>KF27.E345 1969c 
<br/><br/><label>Dewey Class. No.: </label>353.001/622