History 10 Histoire 9 General 8 NATURE 5 State & Local 5 BIOGRAPHY & AUTOBIOGRAPHY 4 BUSINESS & ECONOMICS 4 Discoveries in geography 4 Discovery and exploration 4 Explorers 4 HISTORY 4 History and criticism 4 Indians of North America 4 Western stories 4 American 3 In literature 3 LITERARY CRITICISM 3 Literature 3 Nature 3 Nature conservation 3 Race relations 3 Agriculture 2 American literature 2 Civilization 2 Conservation of natural resources 2 Conservationists 2 Control 2 Cultural assimilation 2 Description and travel 2 Descriptions et voyages 2