1. Coal-tar colors. Chemistry and analysis of permitted coal-tar food dyes [with list of literature cited], by Joseph A. Ambler, W. F. Clarke, O. L. Evenson, [and] H. Wales; [revised by H. T. Herrick and O. L. Evenson]. Bookmark Corporate/Agency Authors: Food, Drug, and Insecticide Administration and Agriculture Department Publisher: Food, Drug, and Insecticide Administration Date: Apr. 1926, revised Dec. 1927. 1928 SuDoc number: A 1.3:1390/2