A legendary predecessor of Columbus
Published: 1937
Language: eng
Notes: In Yarmolinsky,Avrahm. Early Polish Americans. 1937. Appendix,pp.71-78.

Jan z Kolna (John of Kolno) otherwise known as John Scolvus,is said to have discovered a northwest passage and Labrador in 1476.

This "Appendix was originally published in the issue of the[New York Public Library] Bulletin for Nov.1932 under the title: A Pre-Columbian Discoverer of America? Was John Scolvus a Pole?"