What are the broad fields into which journals are classified?
The broad fields into which journals are classified are: Agricultural Sciences, Biology & Biochemistry, Chemistry, Clinical Medicine, Computer Science, Economics & Business, Engineering, Environment/Ecology, Geosciences, Immunology, Materials Sciences, Mathematics, Microbiology, Molecular Biology & Genetics, Multidisciplinary, Neuroscience & Behavior, Pharmacology & Toxicology, Physics, Plant & Animal Science, Psychology/Psychiatry, Social Sciences and Space Science. The rules for classification of papers from multidisciplinary journals can be found at: http://sciencewatch.