Title: Studien zur realen und ausserrealen Welt im deutschen Artusroman (Erec, Iwen, Lanzelet, Wigalois)
Subjects: Arthurian romances
People: Ulrich von Zatzikhoven (active approximately 1200), Hartmann von Aue (active 12th century), Wirnt von Grafenberg (active 13th century), Ulrich von Zatzikoven (active approximately 1200)