Kleeberg, Bernhard Department Ideals and Practices of Rationality, Max Planck Institute for the History of Science, Max Planck Society;
Kleeberg, B. (2007). Ideal (geometrical) types and epistemologies of morphology. In E. Fiorentini (Ed.), Observing nature - representing experience: the osmotic dynamics of romanticism 1800-1850 (pp. 187-203). Berlin: Reimer.