Stephen Case, «LandMarks of the Universe: John Herschel against the Background of Positional Astronomy,» Annals of Science 72, no. 4 (2015): 417–434.
74
Humboldt and Bonpland, Personal Narrative, 110.
75
Ibid., 182–183.
76
Alexander von Humboldt, Cosmos: A Sketch of a Physical Description of the Universe, trans. E. C. Otte (New York: Harper, 1858), 26. Изд. на рус. яз.: Гумбольдт А., фон. Космос: Опыт физического мироописания / Пер. с нем. Н. Фролова. – 2-е изд. – М.: Тип. А. Семена, 1862–1863. – Ч. 1. – 1862; ч. 2. – 1862; ч. 3. – 1863.
