1. Nahua calendar cross-referenced with the Julian calendar Translated Title: Calendario nahua con referencias al calendario juliano Creator / Contributor: Motolinía, Toribio, -1568 (author / autor) Date Created / Date Issued: 1549
2. "La orden y cuenta que antiguamente tenían [los Nahuas] para contar los años”, página 1 Translated Title: "The order and count that the [Nahuas] historically had to count the years", page 1 Creator / Contributor: Chávez, Gabriel de (author / autor) Date Created / Date Issued: 1579-10-01
3. "La orden y cuenta que antiguamente tenían [los Nahuas] para contar los años”, página 2 Translated Title: "The order and count that the [Nahuas] historically had to count the years", page 2 Creator / Contributor: Chávez, Gabriel de (author / autor) Date Created / Date Issued: 1579-10-01