@Book{Voigt1854,
author  = "Voigt, Johann",
title   = "Ueber die Gefangenschaft des Herzogs Christoph von Bayern",
year    = "1854",
address = "München",
series  = "Abhandlungen",
volume  = "7,9",
url     = "https://publikationen.badw.de/de/003192515",
}