History 7,035 Manuscripts, Arabic 4,369 Politics and government 2,048 Law and legislation 1,857 Real property 1,625 Manuscripts, Persian 1,208 Islam 1,105 American 1,068 Education 980 Finance 923 Periodicals 887 Islamic law 860 Manuscripts, Turkish 826 Doctrines 777 Statistics 726 Roads 717 Buildings 656 Arabic language 646 Description and travel 615 Geology 608 Housing 602 Railroads 599 Social life and customs 593 Law 582 Universities and colleges 552 City planning 549 Economic conditions 498 Government policy 487 Sufism 477 Hadith 476 Regional planning 459 Landscapes 453 African Americans 451 Deeds 431 Manuscrits arabes 431 Public schools 431 Shīʻah 425 Taxation 422 Historic buildings 404 Planning 399 Manners and customs 387 Maps 375 Women 374 Manuscripts, Latin (Medieval and modern) 371 Social conditions 360 Grammar 358 Transportation 358 Biography 355 Buildings, structures, etc 348 Jews 348 Population 348 Church history 338 Hanafites 335 Religious aspects 333 Pollution 326 Illumination of books and manuscripts 314 Portraits, American 314 Interpretation and construction 310 Sources 310 Environmental aspects 303 Harbors 300 Land use 293 Water-supply 292 Indians of North America 289 Curricula 282 Agriculture 280 Groundwater 279 Industries 278 Study and teaching 278 Bridges 276 Boundaries 275 Political science 275 Manuscripts, Greek (Papyri) 273 Courts 261 Labor supply 261 Officials and employees 260 Church buildings 258 Manuscripts, Ethiopic 257 Travel 254 Societies, etc 252 Men 251 Water 247 Hotels 245 Banks and banking 243 Elections 241 Facsimiles 240 Specimens 240 Directories 238 Older people 238 Autographs 236 Probate records 235 Church records and registers 231 Legal status, laws, etc 231 Prayer 230 Genealogy 229 Murder 227 Canals 224 Islamic philosophy 224 Histoire 223 Public buildings 223