Indians of North America 6,381 History 6,243 Description and travel 1,743 Indian art 1,642 Birds 1,596 Free trade 1,454 Antiquities 1,368 Immigrants 1,338 Discovery and exploration 1,317 Travel 1,177 Religion 1,043 Geology 958 Histoire 954 Social conditions 921 Colonies 905 Indian mythology 868 Economic conditions 860 Discoveries in geography 850 Social life and customs 795 Botany 773 Emigration and immigration 773 Paleontology 749 Politics and government 730 Commerce 712 Law and legislation 665 Maps 591 Missions 583 Identification 579 Economic integration 573 History and criticism 567 Indians 538 Social aspects 532 Congresses 523 Indian women 513 Bibliography 486 HISTORY 468 Insects 467 Trees 463 General 452 Mammals 431 Natural history 426 Economic history 424 Indian pottery 422 Government policy 404 Environmental aspects 403 Ecology 400 Foreign economic relations 397 Civilization 380 Economic aspects 376 Government relations 374 Art 369 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 Indians, North American 336 International economic integration 333 Geology, Stratigraphic 329 Water-supply 327 Foreign relations 323 International relations 320 Periodicals 316 Relations 311 Women 308 Geography 307 Indian philosophy 303 Classification 301 Biography 298 Education 297 Pictorial works 297 Names, Indian 295 SOCIAL SCIENCE 288 Rites and ceremonies 285 Beetles 283 Commercial policy 283 Indian baskets 278 Indigenous peoples 278 Plants 278 American literature 273 Boundaries 260 Ethnic relations 254 Agriculture 252 Study and teaching 251 Ethnic identity 248 Noncitizens 246 Border security 239 International economic relations 238 Illegal immigration 236 International cooperation 235 Water resources development 233 Fishing 232 Hunting 231 Manners and customs 230 Zoology 227