History 20 English fiction 17 Politics and government 14 Biography 12 Presidents 9 Foreign relations 7 Social conditions 7 Case studies 5 Singers 5 Women 5 Actors 4 Management 4 Miscellanea 4 New business enterprises 4 Campaigns 3 Conduct of life 3 Education 3 Family relationships 3 Government policy 3 Leadership 3 Motion picture actors and actresses 3 Parent participation 3 Political aspects 3 Psychology 3 Stockbrokers 3 Success in business 3 World War, 1939-1945 3 Actresses 2 Architecture, Domestic 2 Army 2