Robert Ballard

Books
The Solution of the Pyramid Problem; or, Pyramid Discoveries The Solution of the Pyramid Problem; or, Pyramid Discoveries
The Solution of the Pyramid Problem; or, Pyramid Discoveries
2024
The Solution of the Pyramid Problem, or, Pyramide Discoveries With a New Theory As to Their Ancient Use The Solution of the Pyramid Problem, or, Pyramide Discoveries With a New Theory As to Their Ancient Use
The Solution of the Pyramid Problem, or, Pyramide Discoveries With a New Theory As to Their Ancient Use
2009