Skinner,W.W. (ed) <br/><br/>
Offical and tentatative methods of analysis 

 - 3rd 
 - Washington  Association of official agriculture chem  1930 
 - 593 
<br/><br/> Cg mean Chemistry General and Practical Page 476-483 in A-Z Register (Acc. No. Cg1-Cg219) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Literature
<br/><br/><label>Dewey Class. No.: </label>Cg92