Karl Marx and Friedrich Engels are normally considered to be the creators of the socialist system. This was done based on the thoughts and ideas of many others
The Future of Socialism was created in 1956.
Socialism or Barbarism was created in 2001.
Voluntary Socialism was created in 1896.
Socialism is Good was created in 1958.
Britain's Road to Socialism was created in 1951.
The Two Souls of Socialism was created in 1966.
The Roots of National Socialism was created in 1941.
Movement for Socialism - Argentina - was created in 1982.
International Socialism - magazine - was created in 1958.
National Socialism Association was created in 2006.
Alliance for Green Socialism was created in 2003.
The Soul of Man under Socialism was created in 1891.