Description and travel 8,568 Diseases 3,208 Dialects 1,447 Doctrines 1,131 Dissertations 1,019 Dao jiao shi 1,018 Data processing 985 Dissertations, Academic 800 Diplomatic relations 570 Diagnosis 560 Droit 549 Discovery and exploration 545 Diseases and pests 530 Design and construction 481 Dictionaries 481 Democracy 427 Dentistry 418 Drama 321 Defenses 319 Diet 312 Differential equations 308 Divorce 300 Drugs 268 Dalits 262 Dance 262 Dogs 262 Dairying 248 Dialectical materialism 240 Debts, Public 235 Debtor and creditor 232 Dwellings 231 Domestic relations 221 Death 218 Decoration and ornament 214 Decision making 195 Discipline 192 Damages 190 Decorative arts 176 Domestic animals 170 Descriptions et voyages 161 Dge-lugs-pa (Sect) 160 Drawing 160 Duits 153 Delegated legislation 149 Dutch language 148 Directories 147 Discourse analysis 139 Dyes and dyeing 139 Development 133 Dynamics 133 Differential equations, Partial 131 Demography 130 Diabetes 129 Dairy cattle 127 Drainage 127 Dutch 125 Dao jiao tu 118 Deformations (Mechanics) 112 Diplomatic history 111 Draft 107 Diet in disease 105 Diabetes Mellitus 99 Directors of corporations 99 Dreams 95 DNA 93 Decoration and ornament, Architectural 93 Disarmament 93 Dismissal of 91 Drug abuse 91 Details 90 Differential equations, Linear 90 Diffraction 90 Diffusion 90 Dams 89 Discoveries in geography 89 Digestion 88 Devotional literature, Swedish 86 Digestive organs 84 Dermatology 83 Dielectrics 80 Disease and pest resistance 80 Database management 79 Demonology 77 Droit constitutionnel 77 Disaster relief 76 Diptera 75 Dramatic works 74 Design 73 Debt 72 Disease 72 Dowry 72 Dairy products 70 Defects 70 Decentralization in government 69 Documentation 69 Dentistry, Operative 67 Durgā (Hindu deity) 67 Deaf 65 District courts 65 Dental Caries 64