@Book{Simonsfeld1907,
author  = "Simonsfeld, Henry",
title   = "Urkunden Friedrich Rotbarts in Italien. Weitere Urkunden Friedrich Rotbarts in Italien",
year    = "1907",
address = "München",
series  = "Sitzungsberichte",
volume  = "1906,9",
url     = "https://publikationen.badw.de/en/008531028",
}