Polyzoa Nordgaard, O. (Ole), 1862-1931 creator text book Christiania Grøndahl & søns bogtrykkeri 1900 1900
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ENG NOR On cover: I commission hos H. Aschehoug & co. Added t.-p. in English. Norwegian and English in parallel columns. Arctic regions Bryozoa Marine animals Q115 .N86 Den Norske Nordhavs-expedition 1876-1878. XXVII. Zoologi https://www.biodiversitylibrary.org/bibliography/2168 https://www.biodiversitylibrary.org/bibliography/58194 12227424 06020710 10.5962/bhl.title.58194