| #31 | Ambio : Journal of the human environment. -- Oslo : Svenska vetenskapsakademien, 1972-. -- ISSN 0044-7447 print. -- ISSN 1654-7209 online |
| #32 | The American city & county. -- Pittsfield : Morgan-Grampian, 1975-. -- ISSN 0149-337X print. -- ISSN 2161-9123 online |
| #33 | American journal of human biology. -- New York : Liss, 1989-. -- ISSN 1042-0533 print. -- ISSN 1520-6300 online |
| #34 | Annals of forest science. -- Les Ulis : EDP Sciences, 1999-. -- ISSN 1286-4560 print. -- ISSN 1297-966X online |
| #35 | Annals of the ICRP. -- Amsterdam : Elsevier Science, 1977-. -- ISSN 0146-6453 print. -- ISSN 1872-969X online |
| #36 | Annual report ... - IIASA. -- Laxenburg : International Institute for Applied Systems Analysis, 1900-. -- ISSN 0252-9572 |
| #37 | Annual review of ecology and systematics. -- Palo Alto : Annual Reviews, 1970-2002. -- ISSN 0066-4162 |
| #38 | Annual review of ecology, evolution, and systematics. -- Palo Alto : Annual Reviews, 2003-. -- ISSN 1543-592X print. -- ISSN 1545-2069 online |
| #39 | Annual review of energy and the environment. -- Palo Alto : Annual Reviews, 1991-2002. -- ISSN 1056-3466 |
| #40 | Annual review of environment and resources. -- Palo Alto : Annual Reviews, 2003-. -- ISSN 1543-5938 print. -- ISSN 1545-2050 online |