Hesse, Bernhard Conrad, b. 1869, United States. Bureau of Chemistry, United States. Department of Agriculture · Washington, D.C. : U.S. Dept. of Agriculture, Bureau of Chemistry · leaf 3
Issued February 10, 1912. U. S. DEPARTMENT OF AGRICULTURE, BUREAU OF CHEMISTRY— BULLETIN No. 147. H. VV. WILEY, Chief op Bureau. COAL-TAR COLORS USED IN FOOD PRODUCTS. BY BERNHARD C. HESSE, Ph. D. K.rpeii, Bvram Chemistry. … WASHINGTON: GOVERNMENT PRINTING OFFICE. 1912.
Coal-tar colors · Coloring matter in food
Internet Archive · U.S. Department of Agriculture, National Agricultural Library · Public domain (published before 1931). Free to use for anything.
