Detroit: Literature Bureau of The Workers' International Industrail Union, [191-?]. 34p., worn and badly soiled wraps with a stain extending to text, staples rusted, vertical crease throughout, remains of IWW leaflet (or of a missing "chart"?) adhered to p.8. Softbound, 4x6.5 inches, lacks fold-out organizational chart. SLP-led split from the IWW.