@Book{Preger1875,
author  = "Preger, Wilhelm",
title   = "Beiträge zur Geschichte der Waldesier im Mittelalter",
year    = "1875",
address = "München",
series  = "Abhandlungen",
volume  = "13,3",
url     = "https://publikationen.badw.de/en/003199499",
}