"Oklahoma Treasures and Treasure Tales"
Author-Steve Wilson
Publisher-University of Oklahoma Press, Norman,
Publishing Division of the University

A rare, hard to find book, but an excellent reference guide.

"Lost Bonanzas, Tales of the Legendary Lost Mines of the American West"
Author-Harry Sinclair Drago
Publisher-Bramhall House, New York, New York

A great reference book for anyone hunting lost mines in the West

"America's Lost Treasures"
Author-Michael Paul Henson
Publisher Unknown
Well researched. The author is very knowledgeable on lost treasure in America

"Of Men and Gold, The History and Evidence of Spanish Gold Mines in the West"
Author-Stephen B. Shaffer
Publisher unknown

Excellent book. The author has done extensive field work on signs and symbols used by the Spanish

"Fell's Complete Guide to Buried Treasure, Land & Sea"
Author-Lieut. Harry E. Rieseberg
Publisher-Frederic Fell, Inc. New York, New York

A must for any treasure hunter's library

"The Lost Treasure of Cocos Island"
Authors-Ralph Hancock and Julian A. Weston
Publisher-Thomas Nelson & Sons, New York, Edinburgh and Toronto

A must for anyone interested in treasure stories of Costa Rica. This book is very hard to find but well worth the effort.

"Golden Treasures of the San Juan"
Authors-Temple H. Cornelius and John B. Marshall
Publisher-Swallow Press

Excellent book on lost mines and treasures of the South Western part of the U.S.A.