| CATEGORY | SUBJECT |
| 0 | Bibliography |
| 1 | General, economic survey |
Tax, multinational enterprises,
investment, risk management, bank insurance security, financial market etc. |
| 2 | International trade and payments |
| 3 | Statistics |
| 4 | Development |
4a | Theory and techniques |
| 4b | Financial assistance |
| 4c | Technical co-operation |
| 5 | Agriculture, food, fisheries |
5a | agriculture |
| 5b | Food |
| 5c | Fisheries |
| 6 | Energy |
6a | Nuclear energy |
| 6b | Electricity |
| 6c | Oil |
| 6d | Coal and gas |
| 7 | Industry |
7a | Industrial sectors |
| 7b | Business management |
| 7c | Transport |
| 7d | Tourism |
| 8 | Manpower and social affairs |
Employee, private pension etc. |
| 9 | Science and technology |
| 10 | Education |
| 11 | Environment and urban affairs |
Nuclear accident, pollution(IEA) : see 6a |
| 12 | Information | Computers, telecommunications,etc. |
| 13 | Public administration |
13a | Public management |
| 13b | Urban and local management |
| 14 | Competition and consumer policy |
14a | Competition policy |
| 14b | Consumer policy |
