Jacoby, Leopold
[Other];
Engels, Friedrich
[Other];
Marx, Karl
[Other];
Sorge, Friedrich A.
[Other];
Weydemeyer, Joseph
[Other];
Cluss, Adolf
[Other];
Jacobi, Abraham
[Other];
Mehring, Franz
[Other];
Liebknecht, Wilhelm
[Other];
Zetkin, Clara
[Other];
Luxemburg, Rosa
[Other];
Thalheimer, August
[Other]