Investigating chemical systems. 

 - St. Louis :  Webster Division, McGraw-Hill,  [1963] 
<br/><br/> Teacher's guide. (pagination varies ; 28 cm.) 1964. 
<br/><br/><label>LCCN: </label>64009756 //r 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry -- Laboratory manuals.--Chemistry -- Laboratory manuals.
<br/><br/><label>LC Class. No.: </label>QD45  / .C377 
<br/><br/><label>Dewey Class. No.: </label>542