SCHAANK JRH The breeding birds of the Wieringermeerpolder in 1935
[samenvatting] [summary] [free pdf]

BRINK JN VAN DEN short article on the habitat of the warbler Phylloscopus s. sibilatrix Bechst
[samenvatting] [summary] [free pdf]

Limosa Index 1935
[samenvatting] [summary] [free pdf]