 | Abbott, Geraldine W. (Geraldine Waldo), 1917- 4n | (3) |
| Abel, Martin E. 1n | (1) |
| Ackerman, William L. (William Leonard), 1923- 4n | (1) |
| Ackley, Richard M., 1942- 4n | (1) |
| Ackley, Richard M. (Richard Maurice), 1942- 4n | (1) |
| Adams, J. Richard (James Richard), 1898- 4n | (1) |
| Adams, Leonard Palmer, 1906- dn | (1) |
| Agee, Douglas E. 4n | (1) |
| Agnew, Donald Burns, 1919- 2n | (1) |
| Albert, W. W. (Waco Worthy), 1921- 4n | (1) |
| Aldrich, Robert Clement, 1922- dn | (1) |
| Alexander, Robert R. cn | (2) |
| Alexander, W. H. (William Henry), 1887- 4n | (1) |
| Allen, George Cornelius, 1924- 2n | (2) |
| Allen, Robert Max, | (1) |
| Allerton Conference on Agriculture and Environmental Quality (2nd : 1971 : Monticello, Ill.) 4n | (1) |
| Allerton Conference on Agriculture's Role in Environmental Quality (1st : 1970 : Monticello, Ill.) 4n | (1) |
| Allinson, D. W. cn | (1) |
| Allred, David L. | (1) |
| Alston, Richard M. (Richard Moss) | (1) |
| Anderson, Emory D. 1n | (1) |
| Anderson, Hal E. cn | (1) |
| Anderson, J. U. (James Ubbe), 1924- 1n | (1) |
| Anderson, Jonathan Dale. 4n | (1) |
| Anderson, L. O. (LeRoy Oscar), 1905- 1n | (3) |
| Anderson, Norman L. 4n | (1) |
| Anderson, R. E. (Raymond Edward), 1919- 4n | (1) |
| Anderson, Raymond Lloyd, 1927- 2n | (1) |
| Anderson, Robert N. cn | (1) |
| Anderson, Wallace L. (Wallace Lowell), 1913- 4n | (1) |
| Anderson, Walter C. cn | (1) |
| Andrews, B. G. (Burnice Gordon), 1917- 4n | (1) |
| Andrews, Dean Timothy, | (1) |
| Andrus, C. F. (Charles Frederic), 1906- 4n | (1) |
| Anthony, Willis E. (Willis Eugene), 1937- 4n | (1) |
| Araji, A. A. | (1) |
| Arend, John L., | (1) |
| Armbruster, Walter J. 1n | (1) |
| Arnold, Fred T. | (1) |
| Arnould, Richard J. 1n | (1) |
| Ashby, B. Hunt (Bryan Hunt), 1935- 4n | (1) |
| Aspelin, Arnold, 1937- 4n | (1) |
| Atkins, Maurice Donald, 1912- 4n | (1) |
| Atkinson, L. Jay, 1913- 1n | (2) |
| Aughanbaugh, John E. 4n | (1) |
| Austin, John W. | (1) |
| Avery, Thomas Eugene. 1n | (2) |
| Aylor, F. I. (Floyd Irvin), | (1) |