Selected Works of Thomas Gainsborough. One hundred engravings in mezzotint. Fol. London, 1876.
Wilson:
The Works of Richard Wilson, R.A., Landscape Painter. A volume of engravings. Fol. No date.
T. Wright: Some Account of the Life of Richard Wilson. London, 1824.
CHAPTER II
General:
Georg Brandes: Hauptströmungen der Literatur des 19 Jahrhunderts, Bd. i, 2 Aufl. Leipzig, 1887.
Wilhelm Weigand: Essays. (Voltaire, Rousseau, zur Psychologie des 19 Jahrhunderts, etc.) München, 1892.
Goya:
Théophile Gautier: Cabinet de l’amateur, 1842.