@Book{Gregorovius1880,
author  = "Gregorovius, Ferdinand",
title   = "Die beiden Crivelli, Residenten der Herzöge und Kurfürsten von Baiern beim heiligen Stul in Rom, von 1607-1659",
year    = "1880",
address = "München",
series  = "Sitzungsberichte",
volume  = "1880,8",
url     = "https://publikationen.badw.de/en/007459050",
}