@Book{Ritter1870,
author  = "Ritter, Moriz",
title   = "Die Memoiren Sullys und der grosse Plan Heinrichs IV.",
year    = "1870",
address = "München",
series  = "Abhandlungen",
volume  = "11,[10]",
url     = "https://publikationen.badw.de/en/003214487",
}