| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1970 | 978-0-9600358-1-6 | Edward E. Popp | Money Bona Fide or Non-Bona Fide |
| 1978 | 978-0-9600358-2-3 | Edward E Popp | The great cookie jar: Taking the mysteries out of the money system |
| 1999 | 978-0-9600358-6-1 | Sidney Warburg | Hitler's Secret Backers |