 These new problematics in political philosophy often draw from neglected historical sources, including Douglass and Du Bois as well as Martin Delaney, Anna Julia Cooper, Simon Bolivar, Kwame Nkrumah, Amilcar Cabral, Walter Rodney, Haya de la Torre, Jose Martí, Aimé and Suzanne Cesaire, Edouard Glissant, and many others. Related to these new non-European sources has been an altered map of the European sources of greatest interest, to include more of Montaigne, Las Casas, Condorcet, Rousseau, Gramsci, Marcuse, and others.