(1) Hubertus Gassner (ed) (2006) Caspar David Friedrich: Die Erfindung der Romantik, Munich: Hirmer Verlag, hard cover with illustrations in colour and text in German.

(2) Peter Wegmann (1993) Caspar David Friedrich to Ferdinand Hodler: A Romantic Tradition: Nineteenth-Century Paintings and Drawings from the Oskar Reinhart Foundation, New York: Harry N. Abrams, soft cover with illustrations in colour and black and white.

(3) (2001) Spirit of an Age: Nineteenth-Century Paintings from the NationalGalerie, Berlin, London: National Gallery, soft cover with illustrations in colour and black and white.

(4) Helmut Börsch-Supan (1990) Caspar David Friedrich, Munich: Prestel, hard cover with dust jacket, illustrations in colour and black and white, and text in German.

(5) Thomas Kellein (1998) Caspar David Friedrich: Der Künsterische Weg, Munich: Prestel, soft cover with illustrations in colour and text in German.