Literary studies: general 3 Social & cultural history 3 Ancient history: to c 500 CE 2 Archaeology 2 Civil engineering, surveying & building 2 Computational linguistics 2 Earth sciences, geography, environment, planning 2 Ecological science, the Biosphere 2 Education 2 Environmental economics 2 Gender studies, gender groups 2 Humanities 2 International relations 2 Literary studies: fiction, novelists & prose writers 2 Literature: history & criticism 2 Music 2 Pest control 2 Pharmacology 2 Psychotherapy 2 Sociology 2 The Holocaust 2 Tobacco industry 2 Agricultural science 1 Alternative & renewable energy sources & technology 1 Analytical chemistry 1 Biography: general 1 Biography: historical, political & military 1 Business & the environment, 'Green' approaches to business 1 Child welfare 1 Collected biographies 1