Goethe, Johann Wolfgang von; Goethe, Johann Wolfgang von; Goethe, Johann Wolfgang von; Oxenford, John; Morrison, Alexander James William. "The auto-biography of Goethe. Truth and poetry: from my own life". London, H. G. Bohn. 27 July 1848 – Internet Archive vasitəsilə.
Georg Wilhelm Friedrich Hegel, Hegel's Philosophy of Nature: Encyclopaedia of the Philosophical Sciences (1830), part 2 translated by A. V. Miller, illustrated, reissue, reprint Oxford University Press, 2005 ISBN0-19-927267-0, 978-0-19-927267-9, Google BooksArxivləşdirilib 2022-04-07 at the Wayback Machine
Aristotle wroteArxivləşdirilib 2017-01-17 at the Wayback Machine that colour is a mixture of light and dark, since white light is always seen as somewhat darkened when it is seen as a colour. (Aristotle, On Sense and its Objects, III, 439b, 20 ff.: "White and black may be juxtaposed in such a way that by the minuteness of the division of its parts each is invisible while their product is visible, and thus colour may be produced.")
Beachy, Robert. "Recasting Cosmopolitanism: German Freemasonry and Regional Identity in the Early Nineteenth Century". Eighteenth-Century Studies. 33 (2). 2000: 266–74. doi:10.1353/ecs.2000.0002. JSTOR30053687.
Beachy, Robert. "Recasting Cosmopolitanism: German Freemasonry and Regional Identity in the Early Nineteenth Century". Eighteenth-Century Studies. 33 (2). 2000: 266–74. doi:10.1353/ecs.2000.0002. JSTOR30053687.
Georg Wilhelm Friedrich Hegel, Hegel's Philosophy of Nature: Encyclopaedia of the Philosophical Sciences (1830), part 2 translated by A. V. Miller, illustrated, reissue, reprint Oxford University Press, 2005 ISBN0-19-927267-0, 978-0-19-927267-9, Google BooksArxivləşdirilib 2022-04-07 at the Wayback Machine
Aristotle wroteArxivləşdirilib 2017-01-17 at the Wayback Machine that colour is a mixture of light and dark, since white light is always seen as somewhat darkened when it is seen as a colour. (Aristotle, On Sense and its Objects, III, 439b, 20 ff.: "White and black may be juxtaposed in such a way that by the minuteness of the division of its parts each is invisible while their product is visible, and thus colour may be produced.")