Oil painting of the composer Ludwig van Beethoven by Christoph Heckel.
Christoph Heckel (1792–1858)
1815
Mann, Golo; Nitschke, August, eds. (1979). <i>Weltgeschichte. Eine Universalgeschichte.</i> Vol. 7: <i>Von der Reformation zur Revolution.</i> Gütersloh: Prisma. p. 796.