THE OPEN POLAR SEA: A NARRATIVE OF A VOYAGE OF DISCOVERY TOWARDS THE NORTH POLE IN THE SCHOONER “UNITED STATES” I. I. HAYES 1867
BEFORE COLUMBUS: THE NEW HISTORY OF CELTIC, EGYPTIAN, PHOENICIAN, VIKING, BLACK AFRICAN, AND ASIAN CONTACTS AND IMPACTS IN THE AMERICAS BEFORE 1492 SAMUEL D. MARBLE 1980
ASGARD AND THE GODS; THE TALES AND TRADITIONS OF OUR NORTHERN ANCESTORS, FORMING A COMPLETE MANUAL OF NORSE MYTHOLOGY WILHELM WÄGNER 1917
THE DISCOVERIES OF THE NORSEMEN IN AMERICA: WITH SPECIAL RELATION TO THEIR EARLY CARTOGRAPHICAL REPRESENTATION JOSEPH FISCHER 1903
THE WELCH INDIANS, OR, A COLLECTION OF PAPERS RESPECTING A PEOPLE WHOSE ANCESTORS EMIGRATED FROM WALES TO AMERICA, IN THE YEAR 1170, WITH PRINCE MADOC (THREE HUNDRED YEARS BEFORE THE FIRST VOYAGE OF COLUMBUS), AND WHO ARE SAID NOW TO INHABIT A BEAUTIFUL COUNTRY ON THE WEST SIDE OF THE MISSISSIPPI GEORGE BURDER 1922
