Sources:
- Brown, Christopher. Making & Meaning: Rubens’s Landscapes. London: National Gallery, 1996. Print.
- Rubens, Peter Paul. Letter to Justus Sustermans. 12 Mar. 1638. The Letters of Peter Paul Rubens. By Ruth Saunders Magurn. Ed. and trans. Ruth Saunders Magurn. Cambridge: Harvard UP, 1955. 408. Print.
- Wedgwood, C. V., and Editors of Time-Life Books. The World of Rubens: 1577-1640. New York: Time-Life, 1967. Print.
- White, Christopher. Peter Paul Rubens: Man & Artist. New Haven: Yale UP, 1987. Print.