Keller, Kathryn C. The Chontal (Mayan) Numeral System. Reprinted from International Journal of American Linguistics 21, no. 3 (July 1955): 258-275, 1955 July

Keller, Kathryn C. The Chontal (Mayan) Numeral System. Reprinted from International Journal of American Linguistics 21, no. 3 (July 1955): 258-275, 1955 July, Box: 85. George I. Sánchez Papers, 23866736. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/541662 Accessed September 27, 2026.