19th-century German philosophers Create Talk0 Category page This page needs content. You can help by adding a sentence or a photo! Add to this page! “ Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual... Karl Robert Eduard von Hartmann Pages in category "19th-century German philosophers" This category contains only the following page. H Karl Robert Eduard von Hartmann Retrieved from "http://psychology.wikia.com/wiki/Category:19th-century_German_philosophers"