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A theory about the Earth being hollow and the possibility of an inner Earth.
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Documentation by Dr. R. W. Bernard, B.A., M.A., Ph.D. (1964).
Various theories of a hollow earth, containing civilizations beneath the surface.
Speculation about a hollow Earth, science, and religion.
Documentation by Marshall B. Gardner. (1920).
Successor to the (now gone) Yahoo group to discuss the hollow Earth theory in general.
The grestest expedition in history searches for proof to whether planet Earth may be hollow or not.
Posted to Live About by Stephen Wagner.
A post with history and information about the idea of a hollow Earth.
Posts from the site, which includes video posts about the inner or hollow Earth.
Posted to the Public Domain Review by Peter Fitting.
A wiki post about the hypothesis of a hollow Earth.
Posts from the site, which includes video posts about the inner or hollow Earth.
Posted to Live About by Stephen Wagner.
A wiki post about the hypothesis of a hollow Earth.
The grestest expedition in history searches for proof to whether planet Earth may be hollow or not.
Posted to the Public Domain Review by Peter Fitting.
A post with history and information about the idea of a hollow Earth.
Successor to the (now gone) Yahoo group to discuss the hollow Earth theory in general.
Various theories of a hollow earth, containing civilizations beneath the surface.
Documentation by Marshall B. Gardner. (1920).
Documentation by Dr. R. W. Bernard, B.A., M.A., Ph.D. (1964).
Speculation about a hollow Earth, science, and religion.
Last update:
December 7, 2021 at 0:39:44 UTC
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