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Human cestoides : an essay on the tapeworms of man : giving a full account of their nature, organization, and embryonic development, the pathological symptoms they produce, and the remedies which have proved successful in modern practice - Weinland, D. F. (David Friedrich), 1829 -1915 (Metcalf, 1858)

Humboldt; Monatsschrift für die gesamten Naturwissenschaften - Damer, Otto, 1839 -1916 (F. Enke, 1890)

Die Hydroiden der arktischen Meere : mit Tafel II-IV und Figuren im Text - Broch, Hjalmar, 1882 -1969 (s. n.], 1909)

Hydroidpolypen der Japanischen Ostküste. ... II. Teil: Campanularidae, Halecidae, Lafoeidae, Campanulinidae und Sertularidae, nebst ergänzungen zu den Athecata und Plumularidae - Stechow, Eberhard, 1883 -1959 (Verlag der K.B. Akademie der Wissenschaften in Kommission des G. Franz'schen Verlags (J. Roth), 1913)

Hydroids from Vancouver Island - Fraser, C. McLean (Charles McLean), 1872 -1946 (Govt. Print. Bureau, 1913)

Icones histiologicae : oder, Atlas der vergleichendern Gewebelehre / von A. Kölliker - Kölliker, Albert, 1817 -1905 (W. Engelmann, 1864)

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Illustrirtes Thierleben - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliogr. Instituts, 1869)

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International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1912)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1914)

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