Harley-Insel (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Harley-Insel" in German language version.

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archive.org

Frederick Jackson: A thousand days in the Arctic. Harper & Brothers, New York und London 1899, S. 221 (englisch).
Luigi Amedeo of Savoy: On the “Polar Star” in the Arctic Sea. Hutchinson, London 1903, Band 2, S. 588 ff. (englisch).