Text is adapted from the exhibition catalogue Vincent van Gogh: The Drawings, written by Colta Ives, Susan Alyson Stein, Sjraar van Heugten, and Marije Vellekoop. Published by The Metropolitan Museum of Art, New York; Van Gogh Museum, Amsterdam; Yale University Press, New Haven and London, 2005.

Ives, Colta, Susan Alyson Stein, Sjraar van Heugten, and Marije Vellekoop. Vincent van Gogh: The Drawings. New York: The Metropolitan Museum of Art. New Haven and London: Yale University Press, 2005.

Vincent by Himself: A Selection of his paintings and drawings together with extracts from his letters. Bruce Bernard, ed. Chartwell Books: Edison, NJ, 2001.

The Letters of Vincent van Gogh. Ronald de Leeuw, ed. Arnold Pomerans, trans. Penguin Books: London and New York, 1996.

Pickvance, Ronald. Van Gogh in Saint-Rémy and Auvers. New York: The Metropolitan Museum of Art, Harry N. Abrams, 1986.

Pickvance, Ronald. Van Gogh in Arles. New York: The Metropolitan Museum of Art, Harry N. Abrams, 1984.

Watrous, James. The Craft of Old-Master Drawings. Madison, Wisconsin: The University of Wisconsin Press, 1967.