1. 23 Federal Register 9511: Proposed Rule Making: Food Additives;23 FR 9511,1958
2. 24 Federal register 9368: rules and regulations: chapter I— food and drug administration;24 FR 9368,1959
3. 35 Federal Register 5810: Rules and Regulations; Subpart A—Definitions and Procedural and Interpretative Regulations Food Additive Status Opinion Letters; Statement of Policy;35 FR 5810,1970
4. 37 Federal Register 25705: Rules and Regulations Food Additives; GRAS and Food Additive Status Procedures;37 FR 25705,1972
5. 37 Federal Register 6207: Proposed Rule Making GRAS and Food Additive Status; Procedures for Affirmation and Determination;37 FR 6207,1972