Dieserud, J. _Norse Discoveries in America._ Bulletin of the American Geographical Society, 1901. Du Chaillu, P. B. _The Viking Age._ London, 1889. Fernald, M. L. _Notes on the Plants of Wineland the Good._ Boston, 1910. Fischer, J. _Die Entdeckungen der Normannen in Amerika._ Freiburg i. B., 1902. (English translation by B. Soulsby, 1903.) Fiske, J. _The Discovery of America._ Boston, 1892. Forster, J. B. _History of voyages, &c. made in the North._ London, 1786. Haliburton, R. G. Article in _Proceedings of The Royal Geographical Society_, vol. vii. London. Hewlett, M. _Gudrid the Fair_ (fiction based on the sagas). London, 1917. Horsford, E. N. _Discovery of America by the Northmen._ New York, 1888. —— _The Problem of the Northmen._ Cambridge, Mass., 1889. —— _The Landfall of Leif Ericson._ Boston, 1892. Hovgaard, W. _The Voyages of the Norsemen to America._ New York, 1915. Howley, M. F. _Vinland Vindicated._ Proc. and Trans. Royal Society of Canada, 1898. Irving, Washington. _Life and Voyages of Christopher Columbus._ vol. iv. London, 1828. Jónsson, Finnur. _Erik den Röde’s Saga og Vinland._ Historisk Tidskrift. Christiania, 1911. —— _Opdagelsen af og reiserne til Vinland._ Aarbog for Nordisk Oldkyndighed, &c. Copenhagen, 1915. Kolischer, K. A. _Zur Entdeckungsgeschichte Amerikas._ Mitt. K. K. Geographischen Gesellschaft, Vienna, 1914. Laing, S. Translation of _Heimskringla_. London, 1844. Malte-Brun, C. _Précis de la géographie universelle_, vol. i, book 18. Paris, 1831–7. Moulton and Yates. _History of the State of New York._ New York, 1824. Nansen, F. _In Northern Mists._ London, 1911. Neckel, G. _Erste Entdeckung Amerikas._ Leipzig, 1913. Nielsen, Y. _Nordmænd og Skrælinger i Vinland._ Norske Geografiske Selskabs Aarbog, 1905. Olson, J. E. _The Northmen, Columbus and Cabot._ New York, 1906. —— Article ‘_Vinland_’ in Encyclopædia Britannica. Rafn, C. _Antiquitates Americanae._ Boston, 1837. Reeves, A. M. _The Finding of Wineland the Good._ London, 1895. Schroeder. _Om Skandinavernes fordna upptäcktsresor till Nord Amerika._ Upsala, 1818. Slafter, Rev. E. F. _Voyages of the Northmen to America._ Boston. Smith, J. T. _The Discovery of America by the Northmen in the tenth Century._ London, 1839. Steensby, H. P. _The Norsemen’s Route from Greenland to Wineland._ Copenhagen, 1918. Storm, G. _Studier over Vinlandsreiserne._ Aarbog for Nordisk Oldkyndighed og Historie, Copenhagen, 1887. —— _Islandske Annaler indtil 1578._ Christiania, 1888. —— _Erik’s Saga Rauda._ Copenhagen, 1891. Thalbitzer, W. _Skrælingerne i Markland og Grönland, deres sprog og nationalitet._ Oversigt over det Kgl. Danske Videnskabernes Selskabs Forhandlinger, Copenhagen, 1905.