The Badianus manuscript. (Codex Barberini, Latin, 241) Vatican Library. An Aztec herbal of 1552. Edited and translated by Emily W. Emmart.

The earliest complete Mexican medical text and the only medical text known to be the work of native Aztecs. Written by an Aztec physician named by the Spanish Martin de la Cruz, and translated into Latin by another native, Juan Badiano, around the time of the Spanish Conquest, the work is the earliest extant medical treatise written by a native American, and the earliest herbal written in the Americas. Fine color reproductions.