Spanish Monuments and Trailmarkers to Treasure in the United States

Treasure Signs, Symbols, Shadow and Sun Signs

Death Traps to Treasure: Spanish and Mexican Mine Traps, Warning Signs and Symbols

Turtles Lead to Treasure: A Guide to Spanish Trail Monuments

Treasure Signs & Symbols

Lost Treasures on the Old Spanish Trail

How to Research for Treasure Hunting and Metal Detecting: From Lead Generation to Vetting

Buried Treasures of the Rocky Mountain West

New Mexico Treasure Tales

Coronado's Children: Tales of Lost Mines and Buried Treasures of the Southwest (Barker Texas History Center Series)

Handbook of Treasure Signs and Symbols