Quality - The 13th Warrior Internet Archive Extra

While there isn't a single "extra quality" academic paper by that specific title, several highly detailed resources on the Internet Archive

The film is rated for "bloody violence," including beheadings, and is considered historical action adventure. Reception: the 13th warrior internet archive extra quality

If you are looking for "extra quality" in terms of the story's depth, the Archive provides high-quality digital scans of Michael Crichton's source material, Eaters of the Dead (later retitled The 13th Warrior for the film's release). Internet Archive The Thirteenth Warrior : The Manuscript of Ibn Fadlan While there isn't a single "extra quality" academic

They called it the Extra Quality.