Indians of North America 6,377 History 6,231 Description and travel 1,733 Indian art 1,638 Birds 1,591 Free trade 1,453 Antiquities 1,362 Immigrants 1,334 Discovery and exploration 1,314 Travel 1,169 Religion 1,042 Geology 957 Histoire 920 Social conditions 920 Colonies 905 Indian mythology 869 Economic conditions 857 Discoveries in geography 846 Social life and customs 795 Botany 773 Emigration and immigration 768 Paleontology 748 Politics and government 727 Commerce 712 Law and legislation 664 Maps 591 Missions 581 Identification 580 Economic integration 571 History and criticism 568 Indians 543 Social aspects 530 Congresses 524 Indian women 512 Bibliography 486 HISTORY 469 Insects 466 Trees 462 General 453 Mammals 431 Economic history 425 Natural history 425 Indian pottery 421 Environmental aspects 403 Government policy 401 Ecology 399 Foreign economic relations 397 Civilization 379 Government relations 376 Economic aspects 374 Art 367 Indian children 367 Folklore 353 Indians, Treatment of 351 Industries 347 Fishes 344 French 344 Oral history 344 Exhibitions 343 Indian dance 340 Ethnology 337 International economic integration 331 Geology, Stratigraphic 329 Indians, North American 326 Water-supply 326 Foreign relations 321 International relations 320 Periodicals 316 Relations 311 Geography 307 Women 306 Classification 301 Indian philosophy 301 Education 298 Pictorial works 297 Biography 296 Names, Indian 295 SOCIAL SCIENCE 288 Rites and ceremonies 285 Commercial policy 284 Indigenous peoples 281 Beetles 280 Indian baskets 278 Plants 278 American literature 273 Boundaries 260 Ethnic relations 255 Agriculture 251 Study and teaching 251 Ethnic identity 246 Noncitizens 246 Border security 239 International economic relations 238 Illegal immigration 236 International cooperation 234 Fishing 231 Hunting 231 Manners and customs 231 Water resources development 231 Zoology 227