@Book{Heigel1885,
author  = "Heigel, Karl Theodor von",
title   = "Ueber die Memoiren des bayerischen Ministers Grafen von Montgelas",
year    = "1885",
address = "München",
series  = "Sitzungsberichte",
volume  = "1885,16",
url     = "https://publikationen.badw.de/en/007459037",
}