Complete list of all bird-species known from the Netherlands ( both in Dutch and English ) : http://www.dutchbirding.nl/content/page/files/webprog20141128-96.pdf
Report about the breeding-birds in the Netherlands - 2015 ( in Dutch with English summery ) : https://www.sovon.nl/sites/default/files/doc/Rap_2017-04_Broedvogelrapport-2015.pdf