Strikes and lockouts History 22 Labor unions 20 Labor and laboring classes 17 Radicalism 14 Coal mining 13 Steel industry 11 more ... Fiction 10 Railroads 9 Newspapers 7 Socialism 6 Agricultural laborers 5 Miners 5 Silk industry 5 Civil rights 4 Coal miners 4 Homestead Strike, Homestead, Pa., 1892 4 Industrial relations 4 Labor 4 Slavs 4 Social conditions 4 Textile industry 4 Working class 4 Anthracite Coal Strike, Pa., 1897 3 Arbitration, Industrial 3 Employers' associations 3 Labor movement 3 Police, Private 3 Anthracite Coal Strike, Pa., 1925-1926 2 Anthracite coal 2 Automobile industry 2 Clothing trade 2 Coal mines and mining 2 Drama 2 Economic conditions 2 Ethnic groups 2 Grèves et lock-out 2 Industrie et commerce 2 Iron and steel workers 2 Iron industry 2 less ...