Relación de las cosas de Yucatán
Relación de las cosas de Yucatán was written by Diego de Landa around 1566, shortly after his return from Yucatán to Spain. In it, de Landa catalogues Mayan words and phrases as well as a small number of Maya hieroglyphs.
Source: Wikipedia — Relación de las cosas de Yucatán (CC BY-SA 4.0)