Friedrich Heinrich Alexander von Humboldt. Engraving by F. Gouin, 1820.
- Reference:
- 4393i
Licence: Public Domain Mark
Credit: Friedrich Heinrich Alexander von Humboldt. Engraving by F. Gouin, 1820. Wellcome Collection. Source: Wellcome Collection.
Licence: Public Domain Mark
Credit: Friedrich Heinrich Alexander von Humboldt. Engraving by F. Gouin, 1820. Wellcome Collection. Source: Wellcome Collection.