"Labor speaks for itself A series of broadcasts on American industrial problems by outstanding labor officials presented over a coast-to-coast network of the Columbia broad-casting system, under the auspices of the Workers Education Bureau of America, in co-operation with the American Federation of Labor, and the National Advisory Council on the radio in education"@en . . . . . . . "Labor speaks for itself! : a series of broadcasts on American industrial problems by oustanding [sic] labor officials, presented over a coast-to-coast network of the Columbia Broad-casting System, under the auspices of the Workers Education Bureau of America, in co-operation with the American Federation of Labor, and the National Advisory Council on the Radio in Education" . . "Labor speaks for itself! A series of broadcasts on American industrial problems by outstanding [i] labor officials presented over a coast-to-coast network of the Columbia broad-casting system, under the auspices of the Workers education bureau of America, in co-operation with the American federation of labor, and the National advisory council on the radio in education" . . . . . "Labor speaks for itself! A series of broadcasts on American industrial problems by outstanding [i] labor officials presented over a coast-to-coast network of the Columbia broad-casting system, under the auspices of the Workers education bureau of America, in co-operation with the American federation of labor, and the National advisory council on the radio in education"@en . . . . . . . . . . . .