The point of departure of Heide Gerstenberger's path-breaking work is a critique of structural-functionalist theory of the state, in both its modernisation theory and materialist variants. Prof. Gerstenberger opposes to these a historical-theoretical explanation that proceeds from the long-term structuring effect of concrete social practice. This is elucidated by detailed investigation of the development of bourgeois state power in the two key examples of England and France. The different complexions that the bourgeois state assumed are presented as the results of processes of social and cultural formation, and thus irreducible to a simple function of capitalism. This approach culminates in the thesis that the bourgeois form of capitalist state power arose only where capitalist societies developed out of already rationalised structures of the "Ancien Regime" type.