Jefferys, Thomas, -1771, and Robert Sayer. "A map of the several dispositions of the English Fleet & Army on the River St. Laurence to the taking of Quebec." Map. London: Printed for Robert Sayer in Fleet Street and Thomas Jefferys at the corner of St. Martin's Lane in the Strand, [1768]. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:q524n470m (accessed April 24, 2024).