Industrial Workers of the World - General
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(4778) IWW Halls, Interior, Oakland, California, 1949
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(4779) IWW Halls, Interior, Oakland, California, 1949
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(4781) Organizers, Obarman, Erwin, Oakland, California, 1950s
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(4782) IWW Halls, Interior view, 1919
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(4783) IWW Halls, M.T.W.I.U. Local 510, Lithuanian National Hall, Philadelphia, 1920s
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(4784) IWW Halls, Everett, Washington 1910s
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(4785) IWW, Strikes, Pennsylvania, 1913
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(4787) IWW Hall, New York City, Raids, 1919
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(4788) Colorado Coal Strike, IWW Hall, Raids, Trinidad, 1927
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(4789) Harlan County Coal War, Miners, Kentucky, 1930s
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(4790) Harlan County Coal War, Miners, Kentucky, 1930s
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(4791) Harlan County Coal War, Miners, Kentucky, 1930s