Descriptions et voyages Description and travel 4 Travel 4 Mountaineering 2 Bergsteigen 1 Conditions sociales 1 Congrès 1 更多 ... Economic conditions 1 Economic history 1 Economische ontwikkeling 1 Indianen 1 Landfall 1 Landfall of Christopher Columbus 1 Manners and customs 1 Photographies 1 Regional development 1 Sociaal-economische situatie 1 Social change 1 Social conditions 1 Social life and customs 1 少 ...