Document Type: LetterAuthor: Juan de Silva (IV Count of Portalegre)Recipient: Gabriel de ZayasRelated: Benito Arias MontanoDate: 1578-02-18Letter Origin: LisboaLetter Destination: MadridOriginal Location: AGS, Estado, leg. 396Modern Edition: CODOIN, vol. 39, p. 504-506Language: Spanish