Sars 1869. Undersogelser over Christianiafjordens Dybvands-fauna, anstillede paa en i Sommeren 1868 foretagen zoo-iogisk resa. [Researches on the deep-sea fauna of the Firth of Christiania, made during a zoological excursion in the summer 1868.] Separately printed at Christiania. 1869: pp. 1-58