All details of the crusade are from Eric's Chronicle, which is largely propagandist in nature, written a century after the events, amidst internal unrest and war against Novgorod.
Sve pojedinosti o ovom križarskom ratu potječu iz Ericovih kronika, koje su u velikoj mjeri bile propagandne prirode, napisane usred unutarnjeg nemira i rata protiv Novgoroda.