› C. Assers (2)
› C.J.H. Jansen (2)
› C.J.J.C. van Nispen (2)
› D.L. Rodrigues Lopes (2)
› H.B. Krans (2)
› J.B.M. Vranken (2)
› J.S. Kortmann (2)
› L.J.A. Pieterse (2)
› M.M.C. van de Moosdijk (2)
› S.E. Bartels (2)

› 2021 (15)
› 2019 (8)
› 2014 (7)
› 2017 (7)
› 2015 (4)
› 2018 (4)
› 2020 (4)
› 2011 (3)
› 2012 (3)
› 2016 (3)