Higgins, S., 2008. Suboperation 19 and 20 Complexes: a Classic-period Mound group west of Site Core, San Estevan Archaeological Project 2008: Report to the Department of Archaeology, Belmopan, Belize. Albany, New York.

Higgins, S., 2008. Suboperation 9, 10, and 18 Complexes: Two Small Mounds Northwest of the Site Core, San Estevan Archaeological Project 2008: Report to the Department of Archaeology, Belmopan, Belize.