| 21:1 | Food and Drugs--Volume 1 | |
| 21:1.0.1 | CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES | |
| PARTS 1 - 99 |
| 21:2 | Food and Drugs--Volume 2 | |
| 21:2.0.1 | CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) (Parts 100 to 169) | |
| PARTS 100 - 169 |
| 21:3 | Food and Drugs--Volume 3 | |
| 21:3.0.1 | CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) (Parts 170 to 199) | |
| PARTS 170 - 199 |
| 21:4 | Food and Drugs--Volume 4 | |
| 21:4.0.1 | CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) | |
| PARTS 200 - 299 |
| 21:5 | Food and Drugs--Volume 5 | |
| 21:5.0.1 | CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) | |
| PARTS 300 - 499 |
| 21:6 | Food and Drugs--Volume 6 | |
| 21:6.0.1 | CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) | |
| PARTS 500 - 599 |
| 21:7 | Food and Drugs--Volume 7 | |
| 21:7.0.1 | CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) | |
| PARTS 600 - 799 |
| 21:8 | Food and Drugs--Volume 8 | |
| 21:8.0.1 | CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) | |
| PARTS 800 - 1299 |
| 21:9 | Title 21-Food and Drugs--Volume 9 | |
| 21:9.0.1 | CHAPTER II - DRUG ENFORCEMENT ADMINISTRATION, DEPARTMENT OF JUSTICE | |
| PARTS 1300 - 1399 |
| 21:9.0.2 | CHAPTER III - OFFICE OF NATIONAL DRUG CONTROL POLICY | |
| PARTS 1400 - 1499 |