This index lists resources at sacred-texts relating to Aztec
religion, folklore and spiritual practices.
Rig Veda Americanus (Aztec Hymns)
by Daniel G. Brinton, Brinton's Library of Aboriginal Literature number VIII. Philadelphia, 
This relatively short document is one of the few public domain translations of an Aztec religous manuscript.
The Myths of Mexico and Peru
by Lewis Spence