Monatsschrift für Kakteenkunde (J. Neumann, 1918)

Monatsschrift für Kakteenkunde (J. Neumann, 1919)

Monatsschrift für Kakteenkunde (J. Neumann, 1920)

Monatsschrift für Kakteenkunde (J. Neumann, 1921)

Monitoring cruise at the Central Long Island Sound Disposal Site, Aug. & Sep. 1987 - Science Applications International Corporation. (U.S. Army Corps of Engineers, New England Division, 1990)

A monograph of the free and semi-parasitic Copepoda of the British islands - Brady, George Stewardson, 1832 -1921 (Ray Society, 1878)

Monograph of the land & freshwater Mollusca of the British isles - Roebuck, William Denison, 1851 -1919 (Taylor brothers, 1914)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1896)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1911)

A monograph on the sub-class Cirripedia, with figures of all the species - Darwin, Charles, 1809 -1882 (Ray society, 1851)

Monographia rosarum Europae et Orientis - Gandoger, Michel, 1850 -1926 (Ballière, 1892)

Monographiæ phanerogamarum : Prodromi nunc continuatio, nunc revisio - Candolle, Alphonse de, 1806 -1893 (vol.1-8, G. Masson ; vol.9, Masson & Cie, 1891)

Monographieen afrikanischer Pflanzen-Familien und -Gattungen - Engler, Adolf, 1844 -1930 (W. Engelmann, 1898)

Monographs of North American Rodentia - Coues, Elliott, 1842 -1899 (Govt. print. off, 1877)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1882)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1886)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1893)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1899)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1904)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1912)

Monthly letter - United States. Bureau of Entomology. (1927)

Monthly letter - United States. Bureau of Entomology. (1930)

Monthly letter of the Bureau of Entomology - United States. Bureau of Entomology. (The Bureau, 1927)

Monthly letter of the Bureau of Entomology - United States. Bureau of Entomology. (The Bureau, 1930)

Monthly Magazine or British Register (of Politics, Literature and the Belles Lettres) (1801)

Monthly report of the Department of Agriculture ... - United States. Dept. of Agriculture. Division of Statistics. (G.P.O, 1863)

Moore's rural New-Yorker - Moore, D. D. T. (D.D.T. Moore, 1850)

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

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

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1987)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1989)

Mum cuttings now! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. J. Ball, Inc, 1955)

Museum bulletin - New York State Museum. (University of the State of New York, 1915)

La mythologie des plantes; ou, Les légendes du règne végétal - De Gubernatis, Angelo. (C. Reinwald, 1879)

The National geographic magazine - National Geographic Society (U.S.) (National Geographic Society, 1910)

The National geographic magazine - National Geographic Society (U.S.) (National Geographic Society, 1912)

National oceanographic program legislation : hearings before the Subcommittee on Oceanography of the Committee on Merchant Marine and Fisheries, House of Representatives, eighty-ninth Congress, first session on H.R. 921, H.R. 2218, H.R. 3310 ... [et al.] - United States. Congress. House. Committee on Merchant Marine; Fisheries. (U.S. Government Printing Office, 1965)

National Poultry Improvement Plan: 2000 directory of participants handling waterfowl, exhibition poultry, and game birds - United States. Animal; Plant Health Inspection Service. (U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 2000)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1895)

Natural history - American Museum of Natural History (American Museum of Natural History, 1918)

Natural history - American Museum of Natural History (American Museum of Natural History, 1919)

The natural history of animalcules: containing descriptions of all the known species of Infusoria ... - Pritchard, Andrew, 1804 -1882 (Whittaker and co, 1834)

The natural history of game-birds. Illustrated by thirty-one plates, coloured; with memoir and portrait of Sir T. Stamford Raffles - Jardine, William, 1800 -1874 (W.H. Lizars; [etc., etc.], 1844)

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, 1851)

The natural history of Ireland - Thompson, William, 1823 -1903 (Reeve, Benham and Reeve, 1850)

The natural history of Selborne : with observations on various parts of nature and the naturalist's calendar - White, Gilbert, 1720 -1793 (G. Bell, 1890)

A natural history of the British butterflies ; their world-wide variation and geographical distribution. A text-book for students and collectors - Tutt, James William, 1858 -1911 (E. Stock, 1900)

A natural history of the British butterflies : their world-wide variation and geographical distribution. A text-book for students and collectors - Tutt, James William, 1858 -1911 (E. Stock, 1905)

A natural history of the British Lepidoptera : a text-book for students and collectors - Tutt, James William, 1858 -1911 (S. Sonnenschein, 1899)

A natural history of the British Lepidoptera : a text-book for students and collectors - Tutt, James William, 1858 -1911 (S. Sonnenschein, 1905)

A natural history of the British Lepidoptera : a text-book for students and collectors - Tutt, James William, 1858 -1911 (S. Sonnenschein, 1908)

The natural history review - Belfast Natural History; Philosophical Society. (Hodges & Smith, 1858)

The natural history review - Belfast Natural History; Philosophical Society. (Hodges & Smith, 1862)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1891)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1943)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1949)

The naturalist in Norway : or, Notes on the wild animals, birds, fishes, and plants of that country ... - Bowden, John, Rev. (L. Reeve & Co, 1869)

The naturalist's library - Lizars, W. H. 1788 -1859 (W. H. Lizars; [etc., etc.], 1844)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1887)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1889)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1904)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1906)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1908)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1875)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1877)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1886)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1887)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1888)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1890)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1891)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1893)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1895)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1869)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1898)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1906)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1908)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1910)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1911)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1912)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1913)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1914)

Naturen : illustreret maanedsskrift for populaer naturvidenskab - Bergens Museum. (E. B. Giertsen [etc.], 1890)

Naturen : illustreret maanedsskrift for populaer naturvidenskab - Bergens Museum. (E. B. Giertsen [etc.], 1897)

Naturen : illustreret maanedsskrift for populaer naturvidenskab - Bergens Museum. (E. B. Giertsen [etc.], 1898)

Naturgeschichte der Infusionsthierchen nach Ehrenbergs großem Werke über diese Thiere : in einer gedrängten vergleichenden Uebersicht dargestellt - Ehrenberg, Christian Gottfried, 1795 -1876 (Verlag und Druck von Gratz, Barth und Comp, 1844)

Naturgeschichte der Infusionsthiere vorzüglich nach Ehrenberg's Beobachtungen. Mit einem Atlasse - Kutorga, S. (Stepan), 1805? -1861 (C.T. Groossche Buchdr, 1841)