Research & information: general 110 Condensed matter physics (liquid state & solid state physics) 71 History 45 Biology, life sciences 43 linguistics 37 Education 35 Society & social sciences 34 Science: general issues 33 Technology: general issues 32 Media studies 31 Social & cultural anthropology, ethnography 28 Sociology 28 Law 27 Politics & government 26 European history 25 Literature: history & criticism 25 Literature & literary studies 24 Political science & theory 24 History of engineering & technology 21 General & world history 20 Economic theory & philosophy 19 Humanities 19 Literary studies: general 19 Social & cultural history 19 Asian history 18 Medicine 18 Cultural studies 17 Economics 17 Political structure & processes 17 Archaeology 16