1922-1964 ca. 5000 p., num. figs & pls, paperbound or disbound (= taken from journal, no covers). Published in Videnskabelige Meddelelser fra Dansk naturhistorisk Forening i Kobenhavn. Contains numerous important contributions like: Ditlevsen, Marine freeliving Nematodes / Broch, Studies on Pacific Cirripeds / Mortensen, Echinoderms from New Zealand and the Auckland-Campbell Islands / Michaelsen, Ascidiae Ptychobranchiae / Dyktiobranchiae / Krikobranchiae von Neuseeland und den Chatham-Inseln / Sérène, Goneplacidae et Pinnotheridae / Stock, Pycnogonida from Indo-West-Pacific, Australian, and New-Zealand Waters / Odhner, New Zealand Mollusca / Carlgren, Actiniaria from New Zealand and its Subantarctic Islands / Bronsted, Sponges from New Zealand / Bock, Planarians / Boschma, Madreporaria. I. Fungiidae / Weber-van Bosse, Algues de l'Expédition danoise aux îles Kei / Augener, Polychaeta von Neuseeland and many other contributions. We added a biography and bibliography of Th. Mortensen.
1924 87 p., 36 figs, 2 double pls, disbound (partly loose, no covers). Unopened copy. Published in Videnskabelige Meddelelser fra Dansk naturhistorisk Forening i Kobenhavn.
1924 160 p., 70 figs, 3 double pls, disbound (partly loose, no covers). Unopened copy. Published in Videnskabelige Meddelelser fra Dansk naturhistorisk Forening i Kobenhavn.
1932 (1913-1921) ca. 195 p., 69 figs, 22 pls, roy. 4to, hcloth (title written on spine). One gathering weak. Library stamps.Includes: Mortensen, Ctenophora / Brinkmann, Pelagic Nemerteans / Arnesen, Spongia / Grieg, Brachiopoda, Scaphopoda, Gastropoda and Lamellibrachiata / Kramp, Anthomedusae and Leptomedusae / Bonnevie, Heteropoda / Sund, Peneides and Stenopides / Grieg, Echinodermata.
Copenhagen, 1932. 4to. Med dedikation på foromslaget. (40) pp. samt 13 plancher i lystryk.
(Kgl. Danske Videnskabernes Selskabs Skrifter).
Copenhagen, 1904. 4to. 124 pp. and 7 plates in collotype and 1 map.
(The Danish Expedition to Siam 1899-1900).
1933 75 p., 57 figs, 5 double pls, disbound (partly loose). Published in: Videnskabelige Meddelelser fra Dansk naturhistorisk Forening i Kobenhavn.
1933 75 p., 5 double pls, disbound (partly loose, no covers). Unopenend copy. Published in: Vidensk. Medd. fra Dansk naturh. Foren.