Friedrich Engels

The Communist Manifesto

Feuerbach: The roots of the socialist philosophy

The Condition of the Working-Class in England in 1844

Anti-Dühring

The Communist Manifesto: Audio Edition

The Communist Manifesto

Del Socialismo Utópico al Socialismo Científico

El Origen de La Familia, La Propiedad Privada y El Estado

The Ultimate Political Pamphlet Collection (Unabridged)

The Socialism Collection: Manifesto of the Communist Party, Wage-Labor and Capital, Socialism (Unabridged)

The Communist Manfiesto

Socialismo: Utópico y Científico: Una edición modernizada con comentarios y el texto completo de 1892. (Unabridged)