Cryptography.- Porta (Giovanni Baptista della) De furtivis literarum notis vulgo. De ziferis libri IIII, 3 woodcut volvelles, contemporary limp vellum, John Wolfe, 1591.

Cryptography.- Porta (Giovanni Baptista della) De furtivis literarum notis vulgo. De ziferis libri IIII, woodcut device on title, woodcut ornaments and initials, 3 full-page woodcut volvelles, with contemporary ink inscription of Walter Hawgh at head of title, engraved bookplate of William Hanbury of Kelmarsh, an excellent clean copy in contemporary limp vellum, bound using printer's waste of scraps of medieval manuscript, yapp edges, a little rubbed and soiled, lacking ties, [STC 20118], 4to, John Wolfe, 1591.

⁂ Early work on cryptography, first published in Naples in 1563. This is one of two apparently unuauthorized editions of 1591 by John Wolfe, one with false imprint of Naples, the other London as in this copy.

William Hanbury (1704-68), antiquarian, who commissioned the Palladian Kelmarsh Hall, Northants., built by Francis Smith to a design by James Gibbs.