Indians of North America 6,375 History 6,238 Description and travel 1,742 Indian art 1,641 Birds 1,592 Free trade 1,453 Antiquities 1,366 Immigrants 1,337 Discovery and exploration 1,316 Travel 1,177 Religion 1,040 Geology 958 Histoire 947 Social conditions 921 Colonies 905 Indian mythology 868 Economic conditions 859 Discoveries in geography 849 Social life and customs 796 Botany 773 Emigration and immigration 772 Paleontology 748 Politics and government 727 Commerce 712 Law and legislation 664 Maps 591 Missions 583 Identification 579 Economic integration 572 History and criticism 567 Indians 538 Social aspects 531 Congresses 523 Indian women 512 Bibliography 486 HISTORY 468 Insects 466 Trees 462 General 452 Mammals 431 Natural history 426 Economic history 423 Indian pottery 421 Environmental aspects 403 Government policy 402 Ecology 399 Foreign economic relations 397 Civilization 380 Economic aspects 375 Government relations 374 Art 368 Indian children 367 Folklore 352 Indians, Treatment of 349 Industries 346 French 345 Exhibitions 344 Fishes 344 Oral history 344 Indian dance 340 Ethnology 339 International economic integration 332 Geology, Stratigraphic 329 Water-supply 327 Indians, North American 325 Foreign relations 323 International relations 320 Periodicals 316 Relations 311 Geography 307 Women 307 Indian philosophy 302 Classification 300 Biography 297 Education 297 Pictorial works 297 Names, Indian 295 SOCIAL SCIENCE 288 Rites and ceremonies 285 Commercial policy 284 Beetles 281 Indian baskets 278 Plants 278 Indigenous peoples 274 American literature 273 Boundaries 260 Ethnic relations 254 Agriculture 251 Study and teaching 251 Ethnic identity 246 Noncitizens 246 Border security 239 International economic relations 238 Illegal immigration 236 International cooperation 235 Water resources development 232 Fishing 231 Hunting 231 Manners and customs 230 Zoology 227