| #51 | Allgemeines statistisches Archiv. -- Heidelberg : Physica, 1890-2006. -- ISSN 0002-6018 print. -- ISSN 1614-0176 online |
| #52 | Alma Mater Philippina. -- Marburg : Marburger Universitätsbund, 1962-1998. -- ISSN 0569-082X |
| #53 | Almanach für das Jahr... -- Wien : Verband der Wissenschaftlichen Gesellschaften Österreich, 1974-. -- ISSN 0377-0745 |
| #54 | Alternatives. -- Peterborough : Trent University, 1971-1995. -- ISSN 0002-6638 |
| #55 | Alternatives journal. -- Waterloo : University of Waterloo, 1996-. -- ISSN 1205-7398 |
| #56 | American journal of botany. -- Lancaster : Botanical Society of America, 1914-. -- ISSN 0002-9122 print. -- ISSN 1537-2197 online |
| #57 | American journal of physics. -- Woodbury : American Association of Physics Teachers, 1940-. -- ISSN 0002-9505 |
| #58 | American journal of veterinary research : Fostering global interdisciplinary cooperation in veterinary medical research. -- Chicago : American Veterinary Medical Association, 1940-. -- ISSN 0002-9645 print. -- ISSN 1943-5681 online |
| #59 | American midland naturalist : an international journal of ecology, evolution and environment. -- Notre Dame : University of Notre Dame, 1909-. -- ISSN 0003-0031 print. -- ISSN 1938-4238 online |
| #60 | Anaerobe. -- London : Academic Press, 1995-. -- ISSN 1075-9964 print. -- ISSN 1095-8274 online |