El Fin de la Filosofía de la Historia // [The End of Philosophy of History] Quintín Racionero Simón Royo 2005 2 substantive philosophy of history fields of research marxism/historical materialism/socialism natural history/ history and biology posthistoire/end of history schools/paradigms
History and Nature in Karl Marx Oliva S. J. Blachette In: "Philosophical Forum". Vol 2. Pp 24-35. 1970 2 substantive philosophy of history marxism/historical materialism/socialism natural history/ history and biology