(EN) Andreas W. Daum, German Naturalists in the Pacific around 1800: Entanglement, Autonomy, and a Transnational Culture of Expertise, in Explorations and Entanglements: Germans in Pacific Worlds from the Early Modern Period to World War I, New York, Berghahn Books, 2018, pp. 70‒102, ISBN978-1-78920-028-7.