Autor
Marx, Karl
3
Agosti, Hector P.
2
Engels, Friedrich
2
Lenin, Vladimir I.
2
Barrio de Villanueva, Patricia
1
Basaldúa, Pedro de
1
Castellani, Leonardo
1
Cohen, Carl
1
Díaz Araujo, Enrique
1
Elizalde, Enrique C.
1
Engels, Fiedrich
1
Kersffeld, Daniel
1
Oelgart, Bernd
1
Poradowski, Miguel
1
Reichhold, Ludwig
1
Schlesinger, Rudolf
1
Troncoso, Oscar
1
Wallerstein, Immanuel
1