History 325 Discovery and exploration 252 Colonies 215 Politics and government 72 Description and travel 58 Discoveries in geography 54 Histoire 45 more ... Spanish 45 Norse 42 Bibliography 36 Indians of North America 36 Antiquities 35 Administration 31 Causes 30 Sources 30 Commerce 27 Emigration and immigration 27 English 27 Indians 27 British colonies 24 French 21 Rare books 21 Travel 18 Revolution 16 Découverte et exploration 15 Books 14 British 14 Germans 13 Prices 13 Descriptions et voyages 12 Découverte et exploration espagnoles 12 Explorers 12 Biography 11 Economic conditions 11 Origin 11 Slavery 11 Civilization 10 Indiens d'Amérique 10 Printing 10 Antiquités 9 less ...