Corresponding authors of Dutch universities receive from February onwards also 20% discount when they publish in the 'De Gruyter Open Access Institutional Member Scheme'. In here you can find 500 completely open access peer reviewed journals and open access books. The discount also goes for book chapters and book serials.
Dutch universities made a deal on publishing open access with Walter de Gruyter. Corresponding authors of the universities can publish open access with a discount of 90% in the journals to which their university is subscribed. Starting February 2017 Dutch universities are 'institutional member'. This yields the above mentioned extra discounts.
Walter de Gruyter particularly publishes journals in the field of Theology, Philosophy, Linguistics and Law. Next to this their fund also contains some important publications for the medical, social and science disciplines.
Dutch National website providing information for academics about the advantages of open access to publicly financed research