Die Kooperation liberaler Parteien in Europa: Formen und Antriebskräfte 1945–1979

The focus of this article is set less on organizational forms of transnational cooperation of liberal parties but rather on the motives that lead to transnational integration of liberal parties. To identify those, three political scientific models are selected that trace the genesis of national political parties back to different key aspects: to the personalities of leaders and founders of theses parties, to the political system in which they developed or to their representation function of socially groups with different worldviews. After a concise description of different transnational organizational forms of liberal parties until the year 1979, different political scientific models of national range are analyzed with regard to their explanatory power for the transnational cooperation of parties on the basis of this example