1.
Index des auteurs et des publications de la Société Belge de Malacologie 1966-2015 = Indexes to the authors and publications of the Belgian Malacological Society 1966-2015
2.
Specimens from the Dutch poets, with original poems.
Impacts of highways on Dutch breeding birds: an analysis by applying national bird censuses
A semantic principle of auxiliary selection in Dutch
Individual product determination in the new Dutch DBC system: how to make the system transparent for its users
De pensioenvoorziening als bindmiddel: sociale cohesie en de organisatie van pensioen in Nederland