| #91 | Bulletin of environmental contamination and toxicology. -- New York : Springer Science and Business Media, 1966-. -- ISSN 0007-4861 print. -- ISSN 1432-0800 online |
| #92 | Bulletin signalétique - Centre national de la recherche scientifique, 885, Nuisances. -- Paris : CNRS, 1973-1983. -- ISSN 0301-3499 |
| #93 | Business and the environment. -- Arlington : Cutter Information, 1990-. -- ISSN 1052-7206 |
| #94 | Business strategy and the environment. -- Bradford : European Research Press, 1992-. -- ISSN 0964-4733 print. -- ISSN 1099-0836 online |
| #95 | Clean : soil, air, water. -- Weinheim : Wiley, 2007-. -- ISSN 1863-0650 print. -- ISSN 1863-0669 online |
| #96 | Clean air. -- Brighton : National Society for Clean Air, 1971-. -- ISSN 0300-5143 |
| #97 | Clean products and processes. -- Berlin : Springer, 1998-2002. -- ISSN 1435-2974 print. -- ISSN 1436-722X online |
| #98 | Clean technologies and environmental policy. -- Berlin : Springer, 2002-. -- ISSN 1618-954X print. -- ISSN 1618-9558 online |
| #99 | Climatic change. -- Dordrecht : Reidel, 1977-. -- ISSN 0165-0009 print. -- ISSN 1573-1480 online |
| #100 | Clinical and experimental pharmacology and physiology. -- Oxford : Blackwell, 1974-. -- ISSN 0305-1870 |