@Book{Gregorovius1890,
author  = "Gregorovius, Ferdinand",
title   = "Briefe aus der "Corrispondenza Acciajoli" in der Laurenziana zu Florenz",
year    = "1890",
address = "München",
series  = "Sitzungsberichte",
volume  = "1890,2,7",
url     = "https://publikationen.badw.de/en/007457803",
}