@Book{Lehmann1867,
author  = "Lehmann, Johann Georg",
title   = "Kurze urkundliche Geschichte des gräflich zweybrückischen Hauses",
year    = "1867",
address = "München",
series  = "Abhandlungen",
volume  = "10,7",
url     = "https://publikationen.badw.de/de/003192570",
}