Groups-- Algebra-- Mathematics 208 Group theory 167 Topological and related algebra and groups 123 Social groups 116 Group identity 105 Sociology 65 Social Sciences 58 Lie groups 52 Social Groups 48 Mathematics 47 Ethnic and national groups 39 Finite groups 39 Representations of groups 36 Self-help groups 29 Ethnic groups 28 Group work in education 22 History 22 Linear algebraic groups 21 SELF HELP GROUPS; 21 Lie algebras 20 Social Group 19 Algebra 17 Chemistry 17 Microfinance 17 Small groups 17 Social Science 17 Group psychotherapy 15 Social aspects 15 Women 15 Ethnicity 14