Side-effects of persistent pesticides and other chemicals on birds and mammals in the NetherlandsAbu Markúb : among elephants and giant birdsBirds in their domain : on the bird population of the Netherlands in its connection with landscape, vegetation and wildlifeThe bird year : Dutch birds in their lives sketchedMigratory birds : their mysterious and uncertain journey across continentsLife in the Antarctic : photographs by the Scottish Antarctic expeditionBirds under high voltage : a study on the influence of high voltage power lines on bird mortalityBirds of AmsterdamBirds and their biotopeAmidst forests and lakes