Red Flags in #Arthistory: Kleinberger

A search on Kleinberger in the German Historical Museum Linz Database returns five paintings

The name "Kleinberger" appears fourteen times in the French MNR database, five times in the German Historical Museum Linz Database and three times in the Art Looting Investigation Red Flag List of Names, along with "Loebl" (14 times) and "Garin" (6 times)