| #21 | AgExporter. -- Washington : Foreign Agricultural Service, 1989-2004. -- ISSN 1047-4781 |
| #22 | Aggregates & roadbuilding. -- Edmonton : Franmore Communications, 1998-. -- ISSN 1485-8495 |
| #23 | Agrarmarkt. -- Bonn : ZMP, 1994-. -- ISSN 0946-6614 |
| #24 | Agrarnaja ekonomika : ježemesjačnyj naučnyj žurnal. -- Minsk : Belorusskaja nauka, 1994-. -- ISSN 1818-9806 |
| #25 | Agricultural and resource economics review. -- Newark : Northeastern Agricultural and Resource Economics Association, 1993-. -- ISSN 1068-2805 |
| #26 | Agricultural economics. -- Amsterdam : Elsevier, 1986-. -- ISSN 0169-5150 print. -- ISSN 1574-0862 online |
| #27 | Agriculture business week. -- Atlanta : NewsRX, 2008-. -- ISSN 1938-176X print. -- ISSN 1938-1778 online |
| #28 | Agroekonomika. -- Bratislava : Polyrafické Závody, 1961-1991. -- ISSN 0323-2670 |
| #29 | Aircraft value news. -- Potomac : Phillips Business Information, 1993-. -- ISSN 1071-0655 |
| #30 | Airline business. -- Sutton : Reed Business Publishing, 1985-. -- ISSN 0268-7615 |