Friedrich Heinrich Alexander von Humboldt. Lithograph by J. Boilly, 1821.

  • Boilly, Julien Léopold, 1796-1874.
Date:
1821
Reference:
4394i

Licence: Public Domain Mark

Credit: Friedrich Heinrich Alexander von Humboldt. Lithograph by J. Boilly, 1821. Wellcome Collection. Source: Wellcome Collection.

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