| Collection | Unique Books |
| Agriculture | 75 |
| Bees | 17 |
| Biodynamics | 20 |
| Biotechnology | 32 |
| Botany | 7 |
| Children & Education | 21 |
| Conferences | 176 |
| Conservation | 26 |
| Craft | 3 |
| Crops | 34 |
| Design And Construction | 15 |
| Economics | 31 |
| Energy | 4 |
| Farming | 101 |
| Forestry | 17 |
| Fruit | 47 |
| Gardening | 134 |
| General | 19 |
| Greenhouse | 17 |
| Health & Nutrition | 85 |
| Herbs | 28 |
| Livestock | 101 |
| Market Gardening | 19 |
| Marketing | 35 |
| Ornamentals | 51 |
| Permaculture | 17 |
| Pest Management | 56 |
| Philosophy | 14 |
| Seeds & Propagation | 40 |
| Soil | 144 |
| Sustainability | 49 |
| Vegetables | 50 |
| Weeds | 23 |
| Wildlife | 8 |
| Number of collections: 34 | |
| Total number of unique books: 1516 | |