File:Friedrich Julius Peter van Calker (cropped).jpg

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Nederlands: Friedrich Julius Peter van Calker (Bonn, 29 augustus 1841 - Groningen, 16 juli 1913) was een Duits-Nederlands geoloog, paleontoloog en mineraloog. Hij was als hoogleraar verbonden aan de Rijksuniversiteit Groningen
Date between circa 1860 and circa 1880
date QS:P,+1850-00-00T00:00:00Z/7,P1319,+1860-00-00T00:00:00Z/9,P1326,+1880-00-00T00:00:00Z/9,P1480,Q5727902
Source Rijksstudio
Author Friedrich Julius von Kolkow (1839-1914)
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This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason:
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current14:10, 1 February 2017Thumbnail for version as of 14:10, 1 February 20172,225 × 3,362 (588 KB)Natuur12 (talk | contribs)File:Friedrich Julius Peter van Calker.jpg cropped 45 % horizontally and 48 % vertically using CropTool with precise mode.

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