| The Columbia Encyclopedia, Sixth Edition. 2001-05. |
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| Agriculture |
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| Alvord, Henry Elijah |
| Atwater, Wilbur Olin |
| Babcock, Stephen Moulton |
| Bakewell, Robert |
| Bennett, Hugh Hammond |
| Binns, John Alexander |
| Borlaug, Norman Ernest |
| Boyd Orr, John Boyd Orr, 1st Baron |
| Carver, George Washington |
| Coke, Thomas William |
| Colman, Norman Jay |
| Columella |
| Couper, James Hamilton |
| Crèvecoeur, J. Hector St. John |
| Dorset, Marion |
| Duhamel du Monceau, Henri Louis |
| Ellsworth, Henry Leavitt |
| Ernle, Rowland Edmund Prothero, 1st Baron |
| Fernow, Bernhard Eduard |
| Garey, Thomas Andrew |
| Hilgard, Eugene Woldemar |
| Judd, Orange |
| Kelley, Oliver Hudson |
| Knapp, Seaman Asahel |
| Lawes, Sir John Bennet |
| Lease, Mary Elizabeth |
| Lubin, David |
| Lysenko, Trofim Denisovich |
| MacKaye, Benton |
| Marbut, Curtis Fletcher |
| Osborne, Thomas Burr |
| Plunkett, Sir Horace Curzon |
| Polk, Leonidas Lafayette |
| Prothero, Rowland Edmund |
| Ruffin, Edmund |
| Sinclair, Sir John |
| True, Alfred Charles |
| Tull, Jethro |
| Walter of Henley |
| Wiley, Harvey Washington |
| Young, Arthur |
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| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2002 Columbia University Press |
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