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| English thesaurus | |||
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| BLC | |||
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Boston : 17 phrases in 12 subjects |
| Agriculture | 1 |
| Art | 1 |
| Coal | 1 |
| Cultural studies | 1 |
| Education | 1 |
| Fish farming pisciculture | 1 |
| General | 3 |
| Ichthyology | 1 |
| Medical | 2 |
| Medical appliances | 1 |
| Natural resourses and wildlife conservation | 3 |
| Natural sciences | 1 |