History 28 Explorers 14 Discovery and exploration 11 Description and travel 9 Indians of North America 9 Frontier and pioneer life 8 Fur trade 8 more ... Pioneers 8 Fur traders 6 Overland journeys to the Pacific 6 Histoire 5 Trappers 5 Territorial expansion 4 Descriptions et voyages 3 Travel 3 Aristocracy (Social class) 1 Basque 1 Basques 1 Biography 1 Bonthandel 1 British 1 Cloth bindings (Bookbinding) 1 Commerce 1 Conquistadores 1 Ethnic relations 1 Foreign public opinion, German 1 Foreign public opinion, Swiss 1 Government relations 1 Governors 1 History, Military 1 less ...