Category:János Böckh

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János Böckh 
Böckh János.jpg
geologist
Date of birth 20 October 1840
Pest
Date of death 10 May 1909
Budapest
Country of citizenship
Occupation
Member of
Child
Authority control
Blue pencil.svg

Media in category "János Böckh"

The following 6 files are in this category, out of 6 total.