Ross, M., & Bolton, H. E. (1925). The debatable land: A sketch of the Anglo-Spanish contest for the Georgia country. Berkeley, CA: University of California Press.

Ross, Mary., and Herbert Eugene Bolton. The Debatable Land: A Sketch of the Anglo-Spanish Contest for the Georgia Country. Berkeley, CA: University of California Press, 1925.

Ross, Mary., and Herbert Eugene Bolton. The Debatable Land: A Sketch of the Anglo-Spanish Contest for the Georgia Country. Berkeley, CA: University of California Press, 1925.