Coal miners History 42 Coal mines and mining 28 Labor unions 21 Molly Maguires 13 Social conditions 12 Fiction 11 more ... Irish 11 Anthracite coal industry 9 Coal trade 7 Irish Americans 7 Social life and customs 6 Working class 6 Labor movement 5 Slavs 5 Arbitration, Industrial 4 Coal Strike, 1875 4 Coal mine accidents 4 Coal mining 4 Ethnology 4 Radicalism 4 Strikes and lockouts 4 Anthracite coal 3 Biography 3 Coal 3 Economic conditions 3 Employment 3 Manners and customs 3 Wages 3 African American coal miners 2 Anthracite Coal Strike, Pa., 1897 2 Antiquités 2 Antiquities 2 Aspect social 2 Bituminous coal 2 Buildings 2 Buildings, structures, etc 2 Charbon 2 Communauté 2 Communism 2 less ...