America Septentrionalis : concinnata juxta observationes Dñn Academiae Regalis Scientiarum et nonnullorum aliorum, et juxta annotationes recentissimas., map, [1758..1760]; (https://texashistory.unt.edu/ark:/67531/metapth252120/m1/1/: accessed May 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .