@Book{Kraus1941,
author  = "Kraus, Carl von",
title   = "Studien zu Heinrich von Freiberg. Vorgelegt am 7. Juni 1941",
year    = "1941",
address = "München",
series  = "Sitzungsberichte",
volume  = "1941,2,6",
url     = "https://publikationen.badw.de/en/009313553",
}