Manolescu , Dan. “Book Review: Wulf, A. (2015). The Invention of Nature. The Adventures of Alexander Von Humboldt. The Lost Hero of Science. John Murray Publishers”. Journal of Practical Studies in Education 2, no. 4 (June 15, 2021): 1-4. Accessed October 26, 2025. https://jpse.gta.org.uk/index.php/home/article/view/26.