596 History 115 Colonies 107 Politics and government 98 Foreign relations 74 Description and travel 74 Geology 71 Law 40 Arabs 40 Histoire 39 Civilization 35 Sources 34 History and criticism 31 Antiquities 31 Geology, Stratigraphic 30 Commerce 30 Economic conditions 28 Indians, Treatment of 28 Spanish colonies 27 Muslims 26 Botany 23 Social conditions 22 Droit 21 Administration 21 Islam 19 Social life and customs 18 Diplomatic relations 18 Relations 17 Colonias 16 Arabes 14 Law and legislation