Heather, William. "To the Right Honorable the Master, Wardens, and Elder Brethren, of the Trinity House, this chart of the Downs and Margate Roads is .. dedicated." Map. London: W. Heather, 1797. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:kk91fr424 (accessed April 24, 2024).