VINLAND AND ITS RUINS; SOME OF THE EVIDENCE THAT NORTHMEN WERE IN MASSACHUSETTS IN PRE-COLUMBIAN DAYS CORNELIA HORSFORD 1899
LES VÉRITABLES MAÎTRES DU MONDE: SOCIÉTÉS OCCULTES, TECHNOCRATES INTERNATIONAUX, OLIGARCHIES FINANCIÈRES, NOMENKLATURAS TOTALITAIRES ROBERT COMMAN 1985
THE ANCIENT STONES SPEAK: A JOURNEY TO THE WORLD’S MOST MYSTERIOUS MEGALITHIC SITES DAVID D. ZINK 1979
TREASURE-SEEKERS: A CHRONICLE OF FORTUNES LOST AND HIDDEN AND THE EFFORTS MADE TO SALVAGE THEM HANS RODEN 1963
THE STRANGEST THINGS IN THE WORLD: A BOOK ABOUT EXTRAORDINARY MANTFESTATIONS OF NATURE THOMAS R. HENRY 1958