21 March 2019: In around 1960, an important part of the library's rare book collection was stolen. The full extent of thefts has only come to surface now.
All books were hallmarked "Verein zur Beförderung des Gartenbaues in den Kgl. Preuß. Staaten" or "Deutscher Pomologen-Verein".
A list of all missing material for download below.