References

The Phantom Of The Pole
William Reed

Lost Continents & The Hollow Earth
David Hatcher Childress & Richard Shaver

Haunted History
Rich Rainey

The UFO Phenomenon
Time Life Books

Pravda

Worlds Beyond The Poles
F. Amadeo Giannini

The Hollow Earth
Raymond Bernard

Mystic Places
Time Life Books

The Bermuda Triangle
Adi-Kent Thomas Jeffrey