Industrial Workers of the World - General
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(5062) Workers, Marine Transport, Portraits, 1910s
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(5064) Workers, Marine Transport, MTWIU 510, 1910s-1920s
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(5065) Workers, Marine Transport, Hazardous Conditions, 1910s
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(5066) William McKay, Portrait, 1920s
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(5067) Fort Pitt Steel Casing Strike, McKeesport, Penn., 1913
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(5069) Fort Pitt Steel Casing Strike, McKeesport, Penn., 1913
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(5070) Mining, Mahutska Mining Company, Oklahoma, 1910s-1920s
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(5071) Mining, Mahutska Mining Company, Oklahoma, 1910s-1920s
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(5072) Mining, Mahutska Mining Company, Oklahoma, 1910s-1920s
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(5073) Union Meetings, Outdoor, 1900s-1910s
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(5078) Arturo Giovannitti, Portrait, 1910s
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(5079) Membership, Conventions, Chicago, 1913