William Stone Booth

Hidden Signatures of Francesco Colonna and Francis Bacon

Marginal Acrostics and Other Alphabetical Devices: A Catalogue

Some Acrostic Signatures of Francis Bacon

Some acrostic signatures of Francis Bacon, bacon Verulam of Verulam, viscount St. Alban, together with some others, all of which are now for the first time deciphered and published

Practical Guide for Authors in Their Relations with Publishers and Printers