 |
| English thesaurus | |||
| |||
| CI | |||
| Correspondence: 39 phrases in 15 subjects |
| Agriculture | 1 |
| Commerce | 1 |
| Communications | 20 |
| Earth sciences | 1 |
| Education | 2 |
| Electronics | 1 |
| European Union | 1 |
| General | 2 |
| Information technology | 2 |
| Law | 2 |
| Mathematics | 1 |
| Patents | 1 |
| Rail transport | 2 |
| Social science | 1 |
| Transport | 1 |