Carteggio Marx-Engels - Marx, Karl 1818-1883; Engels, Friedrich 1820-1895 (Roma Edizioni Rinascita, 1950)
Contiene: v. 1.(1844-1851) -- v. 2. (1852-1856) -- v. 3. (1857-1860) -- v. 4. (1861-1866) -- v. 5. (1867-1869) -- v. 6. (1870-1883)