Philadelphia's lords of the docks: interracial unionism wobbly style - Peter Cole
Quakertown blues: Philadelphia's longshoremen and the decline of the IWW
War on the waterfront - Peter Cole
Crossing the Color Lines, Crossing the Continents: Comparing the Racial Politics of the IWW in South Africa and the United States, 1905–1925
In two of the planet’s most highly racialized countries, South Africa and the United States, the Industrial Workers of the World (IWW, or “Wobblies”), were remarkable for their commitment to anti-racism. The broad anarchist tradition, including syndicalism, thus played an important role in struggles for national liberation and racial equality.