@Book{Druffel1890,
author  = "Druffel, August von",
title   = "Der Bairische Minorit der Observanz Kaspar Schatzger und seine Schriften",
year    = "1890",
address = "München",
series  = "Sitzungsberichte",
volume  = "1890,2,12",
url     = "https://publikationen.badw.de/en/007457808",
}