Jabarkan Bacaan tambahan dari Partai Rakyat Katolik

Electoral Stability and Electoral Change: The Case of Dutch Catholics by Herman Bakvis in: Canadian Journal of Political Science / Revue canadienne de science politique Vol. 14, No. 3 (Sep., 1981), pp. 519–555

Changing Procedures and Changing Strategies in Dutch Coalition Building by Hans Daalder In: Legislative Studies Quarterly Vol. 11, No. 4 (Nov., 1986), pp. 507–531

Conservatism in the Netherlands by Hermann von der Dunk In: Journal of Contemporary History, Vol. 13, No. 4 (Oct., 1978), pp. 741–763