Research 67 History 64 Social sciences 60 Feature films 39 Social aspects 35 Family members 34 Methodology 34 Films for hard of hearing people 31 Politics and government 30 Sociology 24 Crime 23 Families 23 Periodicals 23 Mass media 22 Social conditions 20 Cities and towns 18 Statistical methods 18 Women 18 Man-woman relationships 16 Criminal justice, Administration of 14 Evaluation research (Social action programs) 13 Older people 13 Communication 12 Interpersonal communication 12 Urbanization 12 Comedy films 11 Congresses 11 Psychological aspects 11 Psychology 11 Diplomatic relations 10