THE CALENDAR OF TIAHUANACO: A DISQUISITION ON THE TIME MEASURING SYSTEM OF THE OLDEST CIVILIZATION IN THE WORLD HANS SCHINDLER BELLAMY 1956
THE GREAT IDOL OF TIAHUANACO: AN INTERPRETATION IN THE LIGHT OF THE HOERBIGER THEORY OF SATELLITES OF THE GLYPHS CARVED ON ITS SURFACE HANS SCHINDLER BELLAMY 1959