Marxism

Putting equal or greater responsibility for capitalist oppression on workers (the political majority) themselves—as one must in a democracy—is a major shift in orientation from blaming the bulk of the ills of society on "the ruling class."
Taking Freedom

Taking Freedom: Capitalism, Democracy, and W.E.B. Du Bois' Two Proletariats

On W.E.B. Du Bois' theory of the working class and how race and class cannot be separated in the United States.