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Bernard, Raymond – THE HOLLOW EARTH. 1969.
Culmer, Frederick – THE INNER WORLD, A NEW THEORY, 1886.
Emerson, Willis George – THE SMOKY GOD, 1908
Euler, Leonard (1707-1783) – Writings on the Hollow Earth.
Gardner, Marshall B. Gardner – A JOURNEY TO THE EARTH’S INTERIOR, OR HAVE THE POLES REALLY BEEN DISCOVERED? 1813.
Halley, Edmund – Articles on the Hollow Earth in the PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY, 1692.
Ives, Franklin Titus, – THE HOLLOW EARTH, 1904
Leslie, John (1766-1812) – THE NATURAL PHILOSOPHY.
Lloyd, John Uri – ETIDORHPA, OR THE END OF THE EARTH, 1896.
Lyon, William F. & M.L. Sherman. – THE HOLLOW GLOBE, OR THE WORLD’S AGITATOR AND RECONCILER, 1968.
Mather, Cotton (1663-1728) – Articles in the CHRISTIAN PHILOSOPHER.
Palmer, Raymond A. (1910-1977) – An editor of AMAZING STORIES, SEARCH and FLYING SAUCERS magazines, he both wrote and published a great body of material about the “Shaver Mystery” and the “Hollow Earth“.
Reed, William – PHANTOM OF THE POLES, 1906
Symmes, John Cleves – Writings on the Hollow Earth, or the Symmes Theory of
Concentric Spheres, by the author, his son, Maricus V. Symmes; and James McSride, between 1826-1878.
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