License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
José Guadalupe Posada. Chaos and fatalities resulting from a broken electric trolley car, from a broadside entitled 'Alegre Inauguracion del Eléctrico Tranvía', 1900 (a later impression). The Metropolitan Museum of Art.