J. Ruskin, The walls of Fribourg, 1854, watercolor, 28.4 x 20.9 cm, London, The British Museum.
The city walls of Freiburg, previous drawing (Fig. 8) reproduced in engraving by J. C. Armytage, in J. Ruskin, Modern Painters, V, 1860, ch. 2, pl. 26.
The city walls of Freiburg, daguerreotype taken after the drawing (fig. 8) and reproduced in engraving in Modern Painters, V, 1860, ch. 3, pi. 27.
Illustrative figure for a discussion of the work of John Ruskin (Provided by Giovanni Fanelli, 12 April 2012).
