0. B. Bøggild: On the Bottom Deposits of the North Polar Sea. — Appendix I: 0. N. Heidenreich and Charles J. J. Fox: Analyses of the Bottom Deposits. — Appendix II: Hans Kjær: Thalamophora of the Bottom Deposits and the Mud from the Ice Surface. The Norwegian North Polar Expedition 1893 —1896. Scientific Results Vol. V No. XIV. - Gehrke, Johan (Geografisk Tidsskrift, 1908)