Sophus Black (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sophus Black" in English language version.

refsWebsite
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4,262nd place
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9,162nd place
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5th place
5th place

books.google.com

coinworld.com

denstoredanske.dk

fyens.dk

lokalavisen.dk

hilleroed.lokalavisen.dk

marmus.dk

trocadero.com

web.archive.org

worldcat.org