ennsylvania, Charles J. Mendelson, in a 1947 article in Isis ( Mendelsohn Ch. J. Bibliographical Note on the 'De Cifris' of LeoneBattista Albert!!! Isis.-1947.-N. 32.-P. 48-51. )} Also, see: Wikipedia entry on "The Alberti cipher." Allbcst, Charles Harper *************************************** ***********