THE CRYSTAL SKULL: THE STORY OF THE MYSTERY, MYTH AND MAGIC OF THE MITCHELL-HEDGES CRYSTAL SKULL, DISCOVERED IN A LOST MAYAN CITY DURING A SEARCH FOR ATLANTIS RICHARD M. GARVIN 1973
EXAMINATION OF THE LEGEND OF ATLANTIS IN REFERENCE TO PROTOHISTORIC COMMUNICATION WITH AMERICA HYDE CLARKE 1886
ATLANTIS UND DAS VOLK DER ATLANTEN: EIN BEITRAG ZUR 400 JÄHRIGEN FESTFEIER DER ENTDECKUNG AMERIKAS A.F.R KNÖTEL 1893
PARADISE FOUND, THE CRADLE OF THE HUMAN RACE AT THE NORTH POLE: A STUDY OF THE PRIMITIVE WORLD WILLIAM FAIRFIELD WARREN 1885