WerkeBlomstedt, Kaarlo: Kustaa vaasan ja Juhana herttuan palveluksessa. - 1921
sv:Henrik Klasson Horn af Kanckas (c. 1512-1595), Swedish nobleman, military commander and governor of Finland. Wrong information in source of scan; painting actually depicts File:Karl Henriksson Horn.jpg [Reproduction of old painting by unknown photographer / en:Vecko-Journalen, Christmas issue 1942 -- Public domain -- http://commons.wikimedia.org/wiki/File:Horn af Kanckas, Henrik i VJs julnummer 1942.jpg]