1.
Culturele Veranderingen in Nederland 1980 - CV'80 ; Cultural changes in the Netherlands 1980 - CV'80
2.
3.
4.
5.
Culturele Veranderingen in Nederland 1979 - CV'79 ; Cultural changes in the Netherlands 1979 - CV'79
Culturele Veranderingen in Nederland 1981 - CV'81 ; Cultural changes in the Netherlands 1981 - CV'81