1. Die bipolare Verbreitung der Organismen und die Eiszeit;Berg;Zoogeographica,1953
2. Remarks upon the species of the genus Lagenorhynchus;Bierman;Proc. K. Ned. Akad. Wet. Amsterdam,1947-48
3. Maxillary teeth in specimens of Hyperoodon rostratus (Muller) and Mesoplodon grayi Van Haast stranded on the Dutch coast;Boschma;Proc. K. Ned. Akad. Wet. Amsterdam,1950
4. Sperm whales of the Azores;Clarke;Discovery Rep.,1956
5. Migrations of marine mammals;Clarke;Norsk Hvalfangsttid,1957