ウィキメディア・コモンズには、コグ船に関連するカテゴリがあります。 Description and pictures of cogs HanseaticLeague ship of 1470: pictures of a model The sailing properties of the Hanse
Agreement on reparations for injuries and damages by vitalians (made between King Henry IV of England and the HanseaticLeague) Vitalienbrüder (in German)