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IX. Vom schwarzen Hayfisch (Sorthaae) Drontheimischen Gesellschaft Schriften, 2, 284–290
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VII. Von der Seekatze. Drontheimischen Gesellschaft Schriften, 2, 248–283
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XI. Vom Haa-Skierding. Drontheimischen Gesellschaft Schriften, 2, 299–307
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Brugden (Squalus maximus), Beskrvenen ved J. E. Gunnerus. Det Trondhiemske Selskabs Skrifter, 3: 33–49, pl. 2