Bibliography
Bailey, Colin J. Catalogue of the Collection of Drawings: German Nineteenth Century Drawings from the Ashmolean Museum, Oxford. Vol. V. Oxford: Clarendon Press, 1987.
. German Nineteenth-Century Drawings from the Ashmolean Museum, Oxford. Oxford: Clarendon Press, 1982.
“Erhard, Johann Christoph.” Thieme-Becker. 1914.
Robels, Hella. Johann Christoph Erhard. 2003. Online. Oxford University Press. Internet. 10 Oct. 2003. Available: groveart.com.
Sara Brady