Hesse, Bernhard Conrad. <br/><br/>
Coal-tar colors used in food products. 
By Bernhard C. Hesse... 
 - Washington,  Govt. print. off.,  1912. 
 - 228 p.  incl. tables, diagr.  23 cm. 
 - U. S. Dept. of agriculture. Bureau of chemistry. Bulletin  no. 147 .
<br/><br/>
<br/><br/><label>LCCN: </label>agr12000256  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal-tar colors.<br/>Coloring matter in food.
<br/><br/><label>LC Class. No.: </label>S585  / .A1 no. 147 TX571.C7  / H5