Carbon monoxide poster contest. 

 - 1 online resource ([2] pages) :  color illustrations 
<br/><br/> Title from title screen (viewed on July 18, 2016).  CRDP Project record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Carbon monoxide--Safety measures.
<br/><br/><label>GPO Item No.: </label>1062-C (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 3.C 76/3:2 C 17