| Die Rezeption der Marxschen Theorie in den Niederlanden |
1992 |
| Die russische Arbeiteropposition. Die Gewerkschaften in der Revolution |
1972-06 |
| Gruppe Internationale Communisten Hollands |
1971-07 |
| Internationalism in the Labour Movement 1830-1940, Vol. 1 |
1988 |
| Solidarity with the 'Savages.' The Relationship of the German Social Democrats to African Resistance in the Former German Colonies Around the Turn of the Century |
1985 |
| Tarzan - was nun? Internationale Solidarität im Dschungel der Widersprüche |
1997 |
