Agribusiness
| Call Numbers (Floor 4) | Subject Area |
| HD 101 - 1400 | Land Use and Real Estate Business |
| HD 1401 - 2320 | Economic History and Conditions of Agriculture |
| HD 4801 - 8999 | Labor |
| HD 9000 - 9495 | Special Industries and Trades - Agriculture, Food |
| HF | Commerce |
| HG | Finance |
| S 560 - 582 (Floor 5) | Agricultural Economics and Management |
Agricultural Science/Horticulture
| Call Numbers (Floor 5) | Subject Area |
| DOC. A (Floor 4) | U.S. Department of Agriculture Documents |
| S 1 - 559 | General Agriculture |
| S 560 - 582 | Agricultural Economics and Management |
| S 590 - 599 | Soil Science |
| S 671 - 760 | Agricultural Machinery |
| S 900 - 954 | Conservation of Natural Resouces |
| SB 170 - 317 | Food Crops and Field Crops |
| SB 317 - 476 | Horticulture |
| SB 481 - 598 | Parks |
| SB 599 - 989 | Pests and Diseases |
| SD | Forestry |
| SF 191 - 276 | Cattle and Dairying |
| SF 277 - 370 | Horses |
| SF 371 - 401 | Sheep, Goats, and Swine |
| SF 409 - 460 | Pets |
| SF 461 - 517 | Birds and Poultry |
| SF 600 - 1100 | Veterinary Medicine |
| SH | Aquaculture and Fisheries |
| SK 351 - 579 | Wildlife Management |