Die mikroskopischen Pilze - Lindau, Gustav, 1866 -1923 (J. Springer, 1922)

Mind in nature, or, The origin of life, and the mode of development of animals - Clark, Henry James, 1826 -1873 (D. Appleton, 1865)

Mind in nature; or The origin of life, and the mode of development of animals - Clark, Henry James, 1826 -1873 (Appleton, 1865)

Mindeskrift i anledning af hundredaaret for Japetus Steenstrups fodsel udg. af en kreds af naturforskere ved Hector F.E. Jungersen og Eug. Warming. Udgivelsen bekostet af Carlsbergfondet - Warming, Eugenius, 1841 -1924 (B. Lunos bogtrykkeri, 1914)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1909)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1881)

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1861)

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1875)

Monatsschrift für Kakteenkunde (J. Neumann, 1891)

Monatsschrift für Kakteenkunde (J. Neumann, 1893)

Monatsschrift für Kakteenkunde (J. Neumann, 1894)

Monatsschrift für Kakteenkunde (J. Neumann, 1901)

Monatsschrift für Kakteenkunde (J. Neumann, 1903)

Monatsschrift für Kakteenkunde (J. Neumann, 1906)

Monatsschrift für Kakteenkunde (J. Neumann, 1908)

Monatsschrift für Kakteenkunde (J. Neumann, 1912)

Monatsschrift für Kakteenkunde (J. Neumann, 1913)

Monatsschrift für Kakteenkunde (J. Neumann, 1915)

Monatsschrift für Kakteenkunde (J. Neumann, 1917)

Monatsschrift für Kakteenkunde (J. Neumann, 1920)

Monograph of the British aphides ... - Buckton, George Bowdler, 1817 -1905 (Printed for the Ray Society, 1876)

Monograph of the British aphides ... - Buckton, George Bowdler, 1817 -1905 (Printed for the Ray Society, 1879)

A monograph of the British naked-eyed Medusæ : with figures of all the species - Forbes, Edward 1815 -1854 (Printed for the Ray society, 1848)

A monograph of the genus Crocus. With an appendix on the etymology of the words crocus and saffron by C.C. Lacaita - Maw, George, 1832 -1912 (Dulau, 1886)

A monograph of the gymnoblastic or tubularian hydroids / by George James Allman - Allman, George James, 1812 -1898 (1872)

A monograph of the gymnoblastic or tubularian hydroids / by George James Allman - Allman, George James, 1812 -1898 (1871)

Monographie de la famille des cactées : comprenant la synonymie, les diverses méthodes de classification proposées jusqu'à ce jour pour sa division en genres et sous-genres, et quelques notes sur la germination et la physiologie - Labouret, J. (Dusacq, 1853)

Monographie der Medusen - Haeckel, Ernst, 1834 -1919 (G. Fischer, 1879)

Monographie der Medusen - Haeckel, Ernst, 1834 -1919 (G. Fischer, 1881)

Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad - Royal Microscopical Society (Great Britain) (R. Hardwicke, 1870)

Morphologisches Jahrbuch (Wilhelm Engelmann, 1883)

Morphology and taxonomy of fungi - Bessey, Ernst Athearn, 1877 -1957 (Blakiston, 1950)

Moulds, mildews, and mushrooms; a guide to the systematic study of the Fungi and Mycetozoa and their literature - Underwood, Lucien Marcus, 1853 -1907 (H. Holt & co, 1899)

Museum Normanianum, or A catalogue of the invertebrata of Europe, and the Arctic and North Atlantic oceans, which are contained in the collection of the Rev. Canon A. M. Norman, ... . I.-XII. Printed for private distribution - Norman, Alfred Merle, 1831 -1918 (Morton, printer, 1886)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1909)

Mycologia Fennica - Karsten, P. A. (Petter Adolf), 1834 -1917 (Finska Litteratur-sllskapets Tryckeri, 1871)

Die Mysterien der Europäischen Insectenwelt. Ein geheimer Schlüssel für Sammler aller Insectenordnungen und Stände, behufs des Fangs, des Aufenthalts-orts, der Wohnung, Tag- und Jahreszeit ... - Gistel, Johannes, 1809 - (Druck und Verlag von Tobias Dannheimer, 1856)

The narrative of a busy life : An autobiography - Hassall, Arthur Hill, 1817 -1894 (Longmans, Green, & co, 1893)

Das Nationalmuseum der Naturgeschichte zu Paris : von seinem ersten Ursprunge bis zu seinem jetzigen Glanze - Fischer von Waldheim, Gotthelf, 1771 -1853 (Verlegt bei Fridrich Esslinger, 1803)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1898)

A natural arrangement of British plants : according to their relations to each other as pointed out by Jussieu, De Candolle, Brown, &c - Gray, Samuel Frederick, 1766 -1828 (Baldwin, Cradock, and Joy, 1821)

Natural history - Fletcher, L. 1854 -1921 (Printed by order of the Trustees of the British Museum, 1907)

Natural history : a manual of zoology for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Charles Scribner & Co, 1865)

Natural history. A manual of zoölogy for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Scribner, Armstrong & co, 1872)

Natural history. A manual of zoölogy for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Scribner & co, 1867)

Natural history of animals - Tenney, Sanborn, 1827 -1877 (American book company, 1895)

Natural history of animals - Tenney, Sanborn, 1827 -1877 (American book Co, 1895)

Natural history of animals : Containing brief descriptions of the animals figured on Tenney's Natural history tablets, but complete without the tablets - Tenney, Sanborn, 1827 -1877 (C. Scribner & co, 1868)

Natural history of animals. Containing brief descriptions of the animals figured on Tenney's Natural history tablets, but complete without the tablets - Tenney, Sanborn, 1827 -1877 (C. Scribner & co, 1866)

Natural history of animals. Containing brief descriptions of the animals figured on Tenney's Natural history tablets, but complete without the tablets - Tenney, Sanborn, 1827 -1877 (Scribner, Armstrong, 1875)

The natural history of Ireland - Thompson, William, 1823 -1903 (Reeve, Benham and Reeve, 1849)

The natural history of Ireland - Thompson, William, 1823 -1903 (Reeve, Benham and Reeve, 1856)

The natural history of plants : their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (Blackie, 1895)

The natural history of plants, their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (Blackie & son, limited, 1902)

The natural history of plants, their forms, growth, reproduction, and distribution: from the German of Anton Kerner von Marilaun ... Tr. and ed. by F.W. Oliver ... with the assistance of Marian Busk ... and Mary F. Ewart ... With about 2000 original woodcut illustrations and sixteen plates in colours - Kerner von Marilaun, Anton, 1831 -1898 (H. Holt and company, 1895)

The natural history of plants, their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (H. Holt and Company, 1895)