Foundations is a 27-book series with 27 released primary works first released in 1845 with contributions by Paula Wiseman, Rosa Luxemburg, Vladimir Lenin, James Connolly, Kieran Allen, Karl Marx, Friedrich Engels, Georgi Plekhanov, Georgi Dimitrov, Federico Engels, Georges Politzer, Karl Liebknecht, Joseph Stalin, Paul Lafargue, Sen Katayama, Nadezhda Krupskaya, Soviet Information Bureau, August Bebel, Central Committee of the CPSU, Mikhail Kalinin, and Ralph Fox.