1878 deaths 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... Robert Gardiner Hill Pages in category "1878 deaths" This category contains only the following page. H Robert Gardiner Hill Media in category "1878 deaths" This category contains only the following file. Ernst Heinrich Weber.jpg 58 KB Retrieved from "http://psychology.wikia.com/wiki/Category:1878_deaths"