“My dear, lovely Gabriele!ʺ Alexander von Humboldt’s correspondence with his niece Gabriele von Bülow. Humboldt im Netz [Internet]. 23 luglio 2025 [citato 27 marzo 2026];26(50):113-3. Disponibile su: https://www.hin-online.de/index.php/hin/article/view/386