Document Type: LetterAuthor: Alvar Gómez de CastroRecipient: Lorenzo de SantiagoDate: 1551-08-18Letter Origin: GuadalajaraLetter Destination: Alcalá de HenaresOriginal Location: BNE, ms. 8624, fols. 203v-204r ; BNE, ms. 13008, fols. 82v-83Language: Latin