PUBLISHED AREA HANDBOOKS
| 550-65 | Afghanistan | 550-41 | Korea, Republic of |
| 550-98 | Albania | 550-58 | Laos |
| 550-44 | Algeria | 550-24 | Lebanon |
| 550-59 | Angola | 550-38 | Liberia |
| 550-73 | Argentina | 550-85 | Libya |
| 550-20 | Brazil | 550-45 | Malaysia |
| 550-61 | Burma | 550- | Mauritania |
| 550-83 | Burundi | 550-76 | Mongolia |
| 550-50 | Cambodia (Khmer Rep.) | 550-49 | Morocco |
| 550-96 | Ceylon | 550-64 | Mozambique |
| 550-159 | Chad | 550-35 | Nepal, Sikkim and Bhutan |
| 550-60 | China, People's Republic of | 550-88 | Nicaragua |
| 550-63 | China, Republic of | 550-167 | Nigeria |
| 550-26 | Colombia | 550-94 | Oceania |
| 550-91 | Congo (Brazzaville) | 550-48 | Pakistan |
| 550-67 | Congo (Kinshasa) (Zaire) | 550-46 | Panama |
| 550-90 | Costa Rica | 550-156 | Paraguay |
| 550-152 | Cuba | 550-92 | Peripheral States of the |
| 550-22 | Cyprus | Arabian Peninsula | |
| 550-158 | Czechoslovakia | 550-42 | Peru |
| 550-54 | Dominican Republic | 550-72 | Philippines, Republic of |
| 550-155 | East Germany | 550-160 | Romania |
| 550-52 | Ecuador | 550-84 | Rwanda |
| 550-150 | El Salvador | 550-51 | Saudi Arabia |
| 550-28 | Ethiopia | 550-70 | Senegal |
| 550-29 | Germany | 550-86 | Somalia |
| 550-153 | Ghana | 550-93 | South Africa, Republic of |
| 550-87 | Greece | 550-95 | Soviet Union |
| 550-78 | Guatemala | 550-27 | Sudan |
| 550-82 | Guyana | 550-47 | Syria |
| 550-151 | Honduras | 550-62 | Tanzania |
| 550-21 | India | 550-53 | Thailand |
| 550-154 | Indian Ocean Territories | 550-89 | Tunisia |
| 550-39 | Indonesia | 550-80 | Turkey |
| 550-68 | Iran | 550-74 | Uganda |
| 550-31 | Iraq | 550-43 | United Arab Republic |
| 550-25 | Israel | 550-97 | Uruguay |
| 550-30 | Japan | 550-71 | Venezuela |
| 550-34 | Jordan | 550-57 | Vietnam, North |
| 550-56 | Kenya | 550-55 | Vietnam, South |
| 550-81 | Korea, North | 550-75 | Zambia |