- Russian pitchbook, 1903.
- America's Sensational Perplexer, 1903 pink cover.
- Life History and Handcuff Secrets of Houdini, 1914 revised ed. salmon color cover.
- Magic Made Easy, 16 page edition.
- Handcuff Tricks Exposed (there are at least two editions he knows he doesn't have).
If you have these or ANY Houdini pitchbook you think John should know about, contact him at firstname.lastname@example.org with the word pitchbook in the subject. John is seeking the title, a date if there is one, how many pages, size in height and width to nearest 1/4, and an image if possible.