Vikings" The Saga of Bjorn (TV Episode 2018) - IMDb
Vikings' Alexander Ludwig Talks Bjorn's Bear Fights (and What It'll Take to Earn Ragnar's Respect)
Björn Ironside: The Extraordinary Viking (Viking Warriors) - Biographies, University Press: 9781980656647 - AbeBooks
Bjorn Vikings Temporary Tattoo for Cosplayers. Geometric - Etsy
Here is Bjorn's Vikings season 2 haircut. If I'm not mistaken, it's one of the only times that show (as much as I love it) was actually accurate in the looks department.