21. Regulations governing certified products for dogs, cats, and other carnivora, as contained in title 9, chap. 1, subchap. H, Code of Federal regulations, 1959 edition, and amendments issued through Dec. 31, 1964. Bookmark Corporate/Agency Authors: Consumer and Marketing Service and Senate Publisher: Consumer and Marketing Service Date: [1965.] SuDoc number: A 88.6:D 67