A Map of the British American plantations : extending from Boston in New England to Georgia; including all the back settlements in the respective provinces, as far as the Mississippi., map, 1754; (https://texashistory.unt.edu/ark:/67531/metapth298835/m1/1/: accessed April 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .