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- A. H. Sanders1
- Acres USA1
- Afghanistan1
- Africa66
- Agricultural Communicators in Education (ACE)1
- Agricultural Communicators in Education (ACE)1
- Alar scare1
- Algeria1
- Algeria (Africa, Northern)1
- American Agricultural Editors' Association (AAEA)3
- American Farm Bureau Federation (AFBF)2
- Andrews, Stanley1
- Arabia1
- Argentina5
- Armenia1
- Armenia (Western Asia)1
- Arthur Capper1
- Arthur Young1
- Asia21
- Atkinson1