The earliest printed book in a Philippine language, featuring both Tagalog in and transliterated into Latin script, is the 1593 "Doctrina Christiana en Lengua Española y Tagala". The Tagalog text was based mainly on a manuscript written by Fr. Juan de Placencia. Friars Domingo de Nieva and Juan de San Pedro Martyr supervised the preparation and printing of the book, which was carried out by an unnamed Chinese artisan. This is the earliest example of that exists today and it is the only example from the 1500s. There is also a series of legal documents containing , preserved in Spanish and Philippine archives that span more than a century: the three oldest, all in the Archivo General de Índias in Seville, are from 1591 and 1599.