Out into Nature. The Dawn of Plein-Air Painting in Germany 1820–1850. London, Katrin Bellinger at Colnaghi, 2003, cat. no. 4, ill. p. 25 („Woodland Path and Trees") / Gerd Spitzer: Christian Friedrich Gille. 1805–1899. Malerische Entdeckung der Natur. Petersberg, Michael Imhof-Verlag, 2018, ill. pl. 57
Out into Nature. The Dawn of Plein-Air Painting in Germany 1820–1850. London, Katrin Bellinger at Colnaghi, 2003, cat. no. 4, ill. p. 25 („Woodland Path and Trees") / Gerd Spitzer: Christian Friedrich Gille. 1805–1899. Malerische Entdeckung der Natur. Petersberg, Michael Imhof-Verlag, 2018, ill. pl. 57