On secret notations for letters commonly called ciphers
By: by John Baptista Porta ; [translated by Etta Shield Preston].
Contributors: George Fabyan Collection (Library of Congress)
Published: 193u
Language: eng
Number of pages: 266
Subjects: Ciphers -- Early works to 1800.; Cryptography -- Early works to 1800.; Signs and symbols -- Early works to 1800.
Notes: Typescript.
Translation of: De furtiuis literarum notis vulgo, De ziferis libri IIII. Neapoli : Apud Ioa. Mariam Scotum, 1563.
"This translation was made by Mrs. Keith Preston (Etta Shield Preston) at Geneva, Ill., on the Fabyan estate at the request of Colonel Fabyan, [signed] Ethel Preston ..."--Card laid in copy 3, dated July 8th, 1944.
Illustrations are photocopies from the original work.
Includes index.
Item no. 511 of the George Fabyan Collection, an unpublished translation of Fabyan item no. 506.