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Topical Subjects
- Coal Mines and Mining--Strikes--Ludlow Strike,1913-1914--Bittner Collection.[remove]21
- Coal Strike, Colo., 1913-1914.21
- Firearms.8
- Coal miners--Colorado--Ludlow.5
- Flags of truce.3
- Bars (Drinking establishments)2
- Machine guns.2
- Tents--Colorado--Ludlow.2
- Children of coal miners--Colorado--Ludlow.1
- Coal miners' spouses--Colorado--Ludlow.1
- Coal miners--Labor unions--Colorado--Ludlow.1
- Cooks.1
- Funeral rites and ceremonies--Colorado--Trinidad.1
- Journalists.1
- Soldiers--Colorado--Ludlow.1