Meyers Konversations-Lexikon : ein Nachschlagewerk des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1896)

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Verlag des Bibliographischen Instituts, 1890)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1882)

The migration of birds, as observed at Irish lighthouses and lightships including the original reports from 1888-97, now published for the first time, and an analysis of these and of the previously published reports from 1881-87 : together with an appendix giving the measurement sof about 1600 wings - Barrington, Richard Manliffe, 1849 -1915 (R.H. Porter, [etc., etc, 1900)

The migration of birds : an attempt to reduce avian season-flight to law - Dixon, Charles, 1858 -1926 (Chapman and Hall, 1892)

The migration of British birds, including their post-glacial emigrations as traced by the application of a new law of disperal being a contribution to the study of migration, geographical distribution, and insular faunas - Dixon, Charles, 1858 -1926 (Chapman and Hann, 1895)

Mitteilungen aus dem Naturhistorischen Museum in Hamburg - Naturhistorisches Museum in Hamburg. (Lütcke & Wulff, 1892)

Mitteilungen aus der Entomologischen Gesellschaft zu Halle a. S - Entomologische Gesellschaft zu Halle a. S. (Quelle & Meyer, 1909)

Mitteilungen aus der zoologischen Sammlung des Museums für Naturkunde in Berlin - Museum für Naturkunde in Berlin. (In Kommission bei R. Friedländer, 1899)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1971)

Mittheilungen aus dem Jahrbuche der Kgl. ungarischen Geologischen Anstalt - Magyar Királyi Földtani Intézet. (Buchdruckerei der Stum A.-G., [etc.], 1873)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (1884)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1880)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (1888)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1877)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (1889)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1885)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1887)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1888)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1892)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1894)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1895)

Mittheilungen von Forschungsreisenden und Gelehrten aus den deutschen Schutzgebieten : mit Benutzung amtlicher quellen (U. Usher, 1893)

Monatsschrift des Deutschen Vereins zum Schutze der Vogelwelt - Deutscher Verein zum Schutze der Vogelwelt. ([s.n.], 1888)

Monatsschrift des Deutschen Vereins zum Schutze der Vogelwelt - Deutscher Verein zum Schutze der Vogelwelt. ([s.n.], 1889)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1890)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1918)

Musée ornithologique illustré : description des oiseaux d'Europe, de leurs oeufs et de leurs nids - Des Murs, Marc Athanase Parfait Œillet, 1804 -1889 (J. Rothschild, éditeur, 13, rue des Saints-Pères, 13, 1886)

Museum Heineanum : Verzeichniss der ornithologischen Sammlung des Oberamtmann Ferdinand Heine, auf Gut St. Burchard vor Halberstadt - Cabanis, Jean Louis, 1816 -1906 (In Commission bei R. Frantz, 1860)

Museum Heineanum : Verzeichniss der ornithologischen Sammlung des Oberamtmann Ferdinand Heine, auf Gut St. Burchard vor Halberstadt - Cabanis, Jean Louis, 1816 -1906 (In Commission bei R. Frantz, 1850)

Nachträge zu Nehrkorn's Eierkatalog - Nehrkorn, Adolph. (R. Friedländer & Sohn, 1914)

National list of scientific plant names - United States. Soil Conservation Service. (U.S. Dept. of Agriculture, Soil Conservation Service, 1982)

National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program field research records, 1961-1973 : manuscript from BSFIO files - Coultas, etc - Coultas, William Ferrell, 1899 -1965 (1968)

National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program field research records, 1961-1973 : Nihoa Island reports, miscellaneous, preparation - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1961)

National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program, 1961-1973 : Laysan, miscellaneous preparation material - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1891)

National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program, 1961-1973 : Pacific botany, manuscript materials (parts 1-2) - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1964)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1891)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1912)

Natural history - Bernard, Henry Meyners, 1853 -1909 (D. Appleton and company, 1897)

The natural history & antiquities of Selborne; &, A garden kalendar - Sharpe, Richard Bowdler, 1847 -1909 (S.T. Freemantle, 1900)

The natural history and antiquities of Selborne, in the county of Southampton - Bell, Thomas, 1792 -1880 (J. Van Voorst, 1877)

Natural history - Lydekker, Richard, 1849 -1915 (Hutchinson, 1897)

The natural history of animals: the animal life of the world in its various aspects and relations - Ainsworth-Davis, J. R. (James Richard), 1861 -1934 (The Gresham Publishing Company, 1903)

The natural history of South Africa Birds - Fitzsimons, F. W. (Frederick William), 1875 - (Longmans, Green and co, 1923)

Natural history of the animal kingdom for the use of young people : in three parts, comprising I. Mammalia : II. Birds : Part III. Reptiles, amphibia, fishes, insects, worms, molluscs, zoophytes, &c. : with 91 coloured plates, including about 850 figures, and numerous additional illustrations in the text - Kirby, W. F. (William Forsell), 1844 -1912 (E. & J.B. Young and Co, 1889)

A natural history of the nests and eggs of British birds - Morris, F. O. (Francis Orpen), 1810 -1893 (John C. Nimmo, 1896)

The Natural History of the Scarborough district - Rimington, F. C. (Scarborough Field Naturalists' Society, 1956)

Natural science (Macmillan & Co, 1894)

Natural science : a monthly review of scientific progress (Macmillan and Company [etc.], 1894)

A natural system of botany; or, A systematic view of the organisation, natural affinities, and geographical distribution of the whole vegetable kingdom - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, and Longman, 1836)

A natural system of botany, or, A systematic view of the organization, natural affinities, and geographical distribution, of the whole vegetable kingdom : together with the uses of the most important species in medicine, the arts, and rural or domestic economy - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, and Longman, 1836)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1881)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1882)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1884)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1886)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1887)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1888)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1889)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1890)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1892)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1893)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1894)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1896)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1897)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1899)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1900)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1902)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1903)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1940)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1959)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1972)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2011)

The naturalist in Manchuria - Sowerby, Arthur de Carle, 1885 -1954 (Tientsin Press, 1922)

A naturalist's calendar : kept by Sir William Jardine, Bart., LL.D., F.R.S., F.R.S.E.,&c, at Jardine Hall, Dumfrieshire, from 1st January to 31st May, 1829 - Jardine, William, 1800 -1874 (s.n, 1900)

A naturalist's wanderings in the Eastern archipelago; a narrative of travel and exploration from 1878 to 1883 - Forbes, Henry O. (Henry Ogg), 1851 -1932 (Harper & brothers, 1885)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1883)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1889)

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

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, 1881)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1882)

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

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1899)

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

Nature notes : the Selborne Society's magazine - Selborne Society. (H. Sotheran, 1891)

Nature notes : the Selborne Society's magazine - Selborne Society. (H. Sotheran, 1903)

Naturgeschichte der Vögel Mitteleuropas - Naumann, Johann Andreas, 1747 -1826 (F. E. Köhler, 1905)

Naturgeschichte der Vögel Mitteleuropas - Naumann, Johann Andreas, 1747 -1826 (F. E. Köhler, 1897)

Naturgeschichte der Vögel Mitteleuropas - Naumann, Johann Andreas, 1747 -1826 (F. E. Köhler, 1900)

Naturgeschichte der Vögel Mitteleuropas - Hennicke, Carl R., 1865 -1941 (F.E. Köhler, 1905)

Naturgeschichte der Vögel Mitteleuropas - Hennicke, Carl R., 1865 -1941 (F.E. Köhler, 1897)