History 20 Description and travel 18 Maps 17 Real property 17 Museums 16 Directories 14 Associations, institutions, etc 13 more ... Societies 13 Local transit 11 Societies, etc 9 Street-railroads 8 Women 8 Women college graduates 8 Business enterprises 7 Economic conditions 7 Ethnic groups 7 Societies and clubs 6 Mafia 5 Periodicals 5 Railroads 5 Streets 5 Transportation 5 Commerce 4 Regional planning 4 Social registers 4 Special libraries 4 Vietnamese Americans 4 Buildings 3 Central business districts 3 Commuting traffic 3 Diseases 3 Ethnic relations 3 Guidebooks 3 Historic buildings 3 Korean Americans 3 Library cooperation 3 Presbyterian Church 3 Roads 3 Services for 3 AIDS (Disease) 2 less ...