1580:
Jon Alfred Mjøen, director of the Vindern Biological Laboratory (Oslo, Norway) explaining pedigree to children Heljar, Sonja, and Fridtjof
Date:
Circa 1920
Pages:1 of 1
Source:
American Philosophical Society, , 2000.1282
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Jon Alfred Mjøen, director of the Vindern Biological Laboratory (Oslo, Norway) explaining pedigree to children Heljar, Sonja, and Fridtjof

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