@Book{Riehl1906,
author  = "Riehl, Berthold",
title   = "Internationale und nationale Züge in der Entwicklung der deutschen Kunst",
year    = "1906",
address = "München",
series  = "Abhandlungen",
volume  = "24,3",
url     = "https://publikationen.badw.de/en/003197872",
}