Author
Gorter, Herman
Engels, Friedrich
3 results
Kautsky, Karl
3 results
Marx, Karl
3 results
Pannekoek, Anton
3 results
Lenin, Vladimir I.
2 results
Pannekoek, Anna
2 results
Gorter, Herman * Pannekoek, Anton
1 results
Pannekoek, A.
1 results
Smart, D.A.
1 results
Sociaal-Democratische Partij (SDP)
1 results
Stuiveling, Garmt
1 results
Troelstra, Pieter Jelles
1 results
de Vries, Theun
1 results