History 27 Education 23 Law 11 Literature & literary studies 11 Literature: history & criticism 9 Politics & government 9 Environmentalist thought & ideology 8 Media studies 8 Science: general issues 8 Social impact of environmental issues 8 Teacher training 8 The environment 8 Universities 8 Philosophy 7 Society & social sciences 7 Communication studies 6 Dictionaries of biography (Who's Who) 6 Ecological science, the Biosphere 6 History of science 6 Literary studies: general 6 linguistics 6 Earth sciences, geography, environment, planning 5 Humanities 5 Language 5 Study & learning skills: general 5 Teaching skills & techniques 5 Conservation of the environment 4 Economic history 4 Ethics & moral philosophy 4 Literary studies: c 1800 to c 1900 4