1. The Rival treasure hunters, a tale of the debatable frontier of British Guiana Title: The Rival treasure hunters, a tale of the debatable frontier of British Guiana Date: 1909 Author: Macdonald Illustrator: Illus. by Cyrus Cuneo Collecting Area: Mathes Childrens Literature
2. John and Juan in the jungle Title: John and Juan in the jungle Date: 1953 Author: Sanderson Illustrator: Illus. by Miguel Covarrubias Collecting Area: Mathes Childrens Literature