| #21 | AMB : města - obce - regiony - cestování - životní styl. -- Hora Svaté Kateřiny : Coming Company, 2004-2011. -- ISSN 1214-5289 |
| #22 | American machinist. -- Cleveland : Penton, 1988-. -- ISSN 1041-7958 |
| #23 | American miller and processor. -- UNITED STATES : [Chicago : National Miller Publications, [1943-1968],, 1943-1968. -- ISSN 0096-5650 |
| #24 | AMZ. Auto, Motor + Zubehör. -- Hannover : Schlüter, 1952-. -- ISSN 0001-1983 |
| #25 | Animálek. -- Praha : Řitka video, 2011-. -- ISSN 1805-0581 |
| #26 | Animalia. -- Praha : Robert Bezouška, 2012. -- ISSN 1805-3211 |
| #27 | Annales de l'Institut Henri Poincaré. -- Paris : Presses universitaires de France, 1930-1964. -- ISSN 0365-320X |
| #28 | Annals of mathematical statistics. -- UNITED STATES : Institute of Mathematical Statistics -Baltimore, 1930-1972. -- ISSN 0003-4851 |
| #29 | Apicultural abstracts. -- Gerrards Cross : International Bee Research Association, 1962-. -- ISSN 0003-648X |
| #30 | ASHRAE journal : The magazine of The American Society of Heating, Refrigerating and Air-conditioning Engineers. -- New York : American Society of Refrigerating Engineers, 1959-. -- ISSN 0001-2491 print. -- ISSN 1943-6637 online |