Charles Upson Clark (1875–1960) was a professor of history at Columbia University. He discovered the Barberini Codex, the earliest Aztec writings on herbal medicines extant.
Charles Upson Clark (1875–1960) was a professor of history at Columbia University. He discovered the Barberini Codex, the earliest Aztec writings on herbal medicines extant. (en)
Charles Upson Clark (1875–1960) was a professor of history at Columbia University. He discovered the Barberini Codex, the earliest Aztec writings on herbal medicines extant. (en)