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| Johnson m (TN:USA) | |||
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Johnson : 39 phrases in 11 subjects |
| Amphibians and reptiles | 2 |
| Antennas and waveguides | 1 |
| Botany | 1 |
| Electronics | 3 |
| General | 1 |
| Geography | 1 |
| Ichthyology | 2 |
| Mathematics | 2 |
| Medical | 23 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 2 |