WHO WROTE THE MAHATMA LETTERS?: THE FIRST THOROUGH EXAMINATION OF THE COMMUNICATIONS ALLEGED TO HAVE BEEN RECEIVED

THIS HOLLOW EARTH

• WARREN SMITH
• 1977

GERMANY’S ANTARCTIC CLAIM: SECRET NAZI POLAR EXPEDITIONS

• CHRISTOF FRIEDRICH
• 1977

DESCRIPTION OF SATAN’S COURT… THE EARTH’S CRUST IS FOUR MILES THICK; INSIDE IT IS HOLLOW; AT THE POLES ARE LARGE OPENINGS…

• WALTER BUTLER HARRIS
• 1884

SHAMBALLAH AND AGHAARTA: CITIES WITHIN THE EARTH

• DR. MALACHI Z. YORK
• 1993

INITIATIONS AND INITIATES IN TIBET

• ALEXANDRA DAVID–NEEL
• 1931

DARKNESS OVER TIBET

• THEODORE ILLION
• 1938

ROUND ABOUT THE NORTH POLE

• WILLIAM JOHN GORDON
• 1907

A DWELLER ON TWO PLANETS

• FREDERICK SPENCER OLIVER
• 1905

THE HOLLOW EARTH;

• 1904