@Book{Stieve1893,
author  = "Stieve, Felix [Sonst.]",
title   = "Wittelsbacher Briefe aus den Jahren 1590 bis 1610",
year    = "1893",
address = "München",
series  = "Abhandlungen",
volume  = "20,9",
url     = "https://publikationen.badw.de/en/010023803",
}