https://www.finma.ch/en/enforcement/recovery-und-resolution-n/publikationen/proceedings/abgeschlossene-verfahren/holtzbrinck-schweiz-ag/
Holtzbrinck Schweiz AG in Liquidation | FINMA
holtzbrinckschweizagliquidationfinma
https://www.startbase.com/tag/holtzbrinck-digital/
Tag: Holtzbrinck Digital | Startbase
tagholtzbrinckdigital
https://softwarecampus.de/en/partner/holtzbrinck/
Holtzbrinck | Software Campus
holtzbrincksoftwarecampus
https://www.infodocket.com/2015/07/20/coming-in-august-in-germany-trade-publishers-that-are-part-of-holtzbrinck-offer-drm-free-ebooks/
Coming Next Month: German Language Trade Publishers That are Part of Holtzbrinck Will Offer...
Jul 20, 2015 - Hat Tip and thanks to Sebastian Posth for the following item: German trade publishing houses owned by Georg von Holtzbrinck publishing group, including...
coming next monthgerman languagetrade publisherspart ofholtzbrinck