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Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1879)

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A monograph of the Culicidae, or mosquitoes. Mainly compiled from the collections received at the British museum from various parts of the world in connection with the investigation into the cause of malaria conducted by the Colonial office and the Royal society - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1901)

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Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1906)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1907)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1908)

A monograph of the phyllopod crustacea of North America, with remarks on the order of phyllocarida - Packard, A. S. (Alpheus Spring), 1839 -1905 (s.n, 1877)

Monographie des coléoptères subpentamères de la famille des phytophages - Lacordaire, Théodore, 1801 -1870 (C. Muquardt, 1845)

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Morphologie und biologie der algen - Oltmanns, Friedrich, 1860 -1945 (G. Fischer, 1904)

Morphologie und Biologie der Algen - Oltmanns, Friedrich, 1860 -1945 (Fischer, 1922)

Morphologie und Biologie der Algen - Oltmanns, Friedrich, 1860 -1945 (G. Fischer, 1922)