W Economic sectors > W.23 Nonprofit sector > W.23.02 Interest groups > W.23.02.02 Trade unions > Trade union movement

N Related subject areas > N.04 Politics and political science > N.04.04 Political organizations and social movements > Trade union movement

N Related subject areas > N.04 Politics and political science > N.04.04 Political organizations and social movements > Social movement > Trade union movement

N Related subject areas > N.06 Social sciences > N.06.02 Society and social change > Social movement > Trade union movement