WolfN, FriedrichCD. Caspar David Friedrich: 1774-1840: the painter of stillness. Köln: TASCHEN; 2018, p. 94. (Basic art series 2.0).
4.
BertschM, GraveJ. Caspar David Friedrich: Art for new age [exhibition, Hamburger Kunsthalle, Hamburg, December 15, 2023–April 1, 2024]. T&H [Thames & Hudson]: London, New York; 2024.
SafranskiR, GoodwinRE, SafranskiR. Romanticism: a German Affair. Northwestern University Press: Evanston, IL, 2014, p. 361.
8.
HuiD, HeungY, BrueraE. Timely Palliative Care: Personalizing the process of referral. Cancers (Basel), 2022; 14(4):1047.
9.
RichardsRJ. The Romantic Conception of Life: Science and Philosophy in the Age of Goethe. Chicago, IL: University of Chicago Press; 2010, p. 609. (Science and Its Conceptual Foundations S).
10.
FriedrichCD. Two Men Contemplating the Moon. 1819.
11.
VerwiebeB, FriedrichCD, Nationalgalerie, Nationalgalerie. eds. Caspar David Friedrich—Der Watzmann: … anlässlich der Ausstellung Caspar David Friedrich—Der Watzmann; eine Ausstellung der Nationalgalerie, Staatliche Museen zu Berlin; Alte Nationalgalerie, Museumsinsel, 30. Köln: DuMont [u.a.]; 2004, p. 148.
12.
SchottGD. The Rückenfigur: A note on an intriguing rear-view pictorial device. Perception, 2020 May;49(5):600–605.
13.
ThonhauserG. Beyond mood and atmosphere: A conceptual history of the term stimmung. Philosophia, 2021 Jul;49(3):1247–1265.
14.
RewaldS, MonradK. Caspar David Friedrich: Moonwatchers [Exhibition, The Metropolitan Museum of Art from September 11 to November 11, 2001]. The Metropolitan Museum of Art Yale University Press: New Haven, CT; 2001.
15.
GraveJ. Lives of Caspar David Friedrich (Lives of the Artists). Pallas Athene, 2025.