Feuerbach: The roots of the socialist philosophy — Friedrich Engels
Landmarks of Scientific Socialism: "Anti-Duehring" — Friedrich Engels
Manifesto of the Communist Party — Friedrich Engels
Revolution and Counter-Revolution; Or, Germany in 1848 — Friedrich Engels
Socialism, Utopian and Scientific — Friedrich Engels
The Communist Manifesto — Friedrich Engels
The Origin of the Family, Private Property and the State — Friedrich Engels
