| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Gold Cartel: Government Intervention on Gold, the Mega Bubble in Paper, and What This Means for Your Future | 978-1-137-28642-O (1-137-28642-3) | 2013 |
D F Speck · D S · Daniel Speck · Dara Culhane Speck · Dexter F. Speck · Dieter Speck · Dimitri Speck · Dr. Marsha Speck · Frank-Detlef Speck · K. Dipl.-Ing. Speck · Marsha, Ed.D. Speck · William D. Speck · Wolf D Speck von Sternburg