History 310 Social life and customs 79 Travel 77 Description and travel 76 Manners and customs 76 Politics and government 75 Social conditions 48 Earthquake and fire, 1906 45 Buildings 38 Private investigators 35 Women detectives 32 Buildings, structures, etc 31 Public buildings 31 Budget 24 Earthquakes 23 Exhibitions 23 Chinese Americans 21 HISTORY 21 Harbors 19 Emigration and immigration 18 Gold mines and mining 18 Gold discoveries 17 Intellectual life 17 Postal service 17 Public lands 15 Gay men 14 General 14 History and criticism 14 Architecture 13 Ethnic relations 13