TULA; CAPITAL OF THE TOLTECS

Esperanza Elizabeth Jiménez García; Sculptural-Iconographic Catalogue of Tula, Hidalgo: The Stone Figures

http://www.famsi.org/reports/07027/index.html

Fernando Baez Urincho; Building Four: a Palace in Tula Grande, the Lodging of the Toltec King

http://www.famsi.org/reports/07026/index.html

Tula and Chichen Itza; Are We Asking the Right Questions; Michael E. Smith

http://www.public.asu.edu/~mesmith9/1-CompleteSet/MES-07-TulaChichen.pdf

Tula, and wheeled animal effigies in
Mesoamerica; RICHARD A. DIEHL & MARGARET D. MANDEVILLE*

http://www.famsi.org/aztlan/uploads/Tula&wheeled_animal_effigies.pdf

Delanges at Tula

http://www.delange.org/Tula/Tula.htm

Cynthia Kristan-Graham; The Architecture of Statecraft at Ancient Tula

http://www.famsi.org/reports/98022/index.html

Wikipedia; Tula

https://en.wikipedia.org/wiki/Tula_(Mesoamerican_site)