- Some acrostic signatures of Francis Bacon, baron Verulam of Verulam, viscount St. Alban, together with some others
- A Practical Guide for Authors In Their Relations With Publishers and Printers
- The Hidden Signatures of Francesco Colonna and Francis Bacon: A Comparison of Their Methods, with the Evidence of Marston and Hall That Bacon Was the Author of Venus and Adonis
- Marginal Acrostics and Other Alphabetical Devices: A Catalogue
- The Droeshout Portrait of William Shakespeare; an Experiment in Identification With Thirty-one Illustrations







