Memorias de la Real Academia de Ciencias Exactas, Fisicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Impr. Aguado, 1897)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1911)

Memorias Economicas da Academia Real das Sciencias de Lisboa - Academia Real das Sciencias de Lisboa. (1789)

Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1893)

Memorie - Museo civico di storia naturale di Milano. (U. Hoepli, 1897)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1882)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1851)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1849)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1861)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1884)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1888)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1896)

Memorie di matematica e di fisica della Societ`a italiana delle Scienze - Società Italiana delle Scienze. (Società Italiana delle Scienze, 1782)

Memorie di matematica e di fisica della Societ`a italiana delle Scienze - Società Italiana delle Scienze. (Società Italiana delle Scienze, 1825)

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

La migration des oiseaux - Brevans, A. de (Hachette et cie, 1878)

Minutes of proceedings of the Royal Artillery Institution - Great Britain. Army. Royal Artillery Institution (The Institution, 1872)

Miocene - Maryland Geological Survey. (John Hopkins Press, 1904)

Miocene - Maryland Geological Survey. (Johns Hopkins Press, 1904)

Miscellanea entomologica; revue entomologique internationale - Union entomologique. (1898)

Miscellanea palaeontologica - Frič, Antonín, 1832 -1913 (Selbstverlag, in Commission bei Fr. Řivnáč, 1910)

Mitteilungen aus dem Naturwissenschaftlichen Verein für Neuvorpommern und Rügen in Griefswald ... - Naturwissenschaftlicher Verein für Neuvorpommern und Rügen, Greifswald. (1869)

Mitteilungen der Bayerischen Staatssammlung für Paläontologie und Histor. Geologie - Bayerische Staatssammlung für Paläontologie und Historische Geologie München (Bayerische Staatssammlung für Paläontologie und Historische Geologie, 1994)

Mitteilungen des Thüringischen Botanischen Vereins. n. F - Thüringische Botanische Gesellschaft. (Im Selbstverlag des Vereins, 1906)

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

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, 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, 1894)

Die mittlere und äussere Ohrsphäre der Lacertilia und Rhynchocephalia - Versluys, J. (Jan), 1873 -1939 (G. Fischer, 1898)

Mollusques tertiaires du Portugal : planches de céphalopodes, gastéropodes et pélécypodes laissées - Dollfus, Gustave Frédéric, 1850 - (Imprimerie de l'Academie royale des sciences, 1903)

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

Le monde des petits êtres études sur les insectes du Canada - Beaulieu, Germain, 1870 -1944 (A. Ferland, 1908)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1894)

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

A monograph of the Bucerotidæ, or family of the hornbills - Elliot, Daniel Giraud, 1835 -1915 (Published for the subscribers by the author [printed by Taylor and Francis], 1882)

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)

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

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1912)

Monographia anoplurorum britanniae; or, An essay on the British species of parasitic insects belonging to the order anoplura of Leach, with the modern divisions of the genera according to the views of Leach, Nitzsch and Burmeister, with highly magnified figures of each species - Denny, Henry, 1803 -1871 (H.G. Bohn, 1842)

Monographia anoplurorum Britanniae or An essay on the British species of parasitic insects belonging to the order of Anoplura of Leach, with the modern divisions of the general according to the views of Leach, Nitzsch, and Burmeister, with highly magnified figures of each species - Denny, Henry, 1803 -1871 (H. G. Bohn, 1842)

Morceaux extraits de Pline - Pliny, the Younger. (Lefèvre, 1845)

Morphologisches Jahrbuch (Wilhelm Engelmann, 1876)

The mountain - Jackson, Robert Montgomery Smith, 1815 -1865 (J. B. Lippincott & Co, 1860)

Mrs. Loudon's Entertaining naturalist, being popular descriptors, tales, and anecdotes of more than five hundred animals - Dallas, W. S. (William Sweetland), 1824 -1890 (Bell & Daldy, 1867)

Münchner koleopterologische Zeitschrift (Verlag der Redaction, 1908)

Museum Leskeanum : regnum animale quod ordine systematico - Leske, Nathanael Gottfried, 1751 -1786 (Sumptibus haeredum I.G. Mülleri, 1789)

My garden, its plan and culture together with a general description of its geology, botany, and natural history - Smee, Alfred, 1818 -1877 (Bell and Daldy, 1872)

Nachrichten von sehenswürdigen Gemälde- und Kupferstichsammlungen : Münz- Gemmen- Kunst und Naturalienkabineten, Sammlungen von Modellen, Maschinen, physikalischen und mathematischen Instrumenten, anatomischen Präparaten und botanischen Gärten in Teutschland nach alphabetischer Ordnung der Städte - Hirsching, Friedrich Karl Gottlob, 1762 -1800 (Bey Johann Jakob Palm, 1786)

Narrative of a journey to the shores of the Polar Sea, in the years 1819, 20, 21, and 22 - Franklin, John, Sir, 1786 -1847 (J. Murray, 1823)

Narrative of a second voyage in search of a north-west passage, and of a residence in the Arctic regions during the years 1829, 1830, 1831, 1832, 1833 - Ross, James Clark, Sir, 1800 -1862 (A.W. Webster, 1835)

Narrative of a spring tour in Portugal - Smith, Alfred Charles, 1822 -1898 (Longmans, Green, 1870)

Narrative of a voyage to the Polar Sea during 1875-76 in H.M. ships 'Alert' and 'Discovery' - Nares, George S. Sir (George Strong), 1831 -1915 (S. Low, Marston, Searle, & Rivington, 1878)

Natural history - Wood, J. G. (John George), 1827 -1889 (G. Routledge, 1896)

Natural history - Wood, J. G. (John George), 1827 -1889 (G. Routledge, 1891)

Natural history and antiquities of Selborne - Buckland, Francis T. (Francis Trevelyan), 1826 -1880 (Macmillan and Co, 1875)

Natural history and antiquities of Selborne - White, Gilbert, 1720 -1793 (Macmillan and Co, 1897)

Natural history and antiquities of Selborne - Buckland, Francis T. (Francis Trevelyan), 1826 -1880 (Macmillan and Co, 1876)

The natural history and antiquities of Selborne - White, Gilbert, 1720 -1793 (Printed for J. and A. Arch [etc, 1837)

Natural history and antiquities of Selborne. With notes by Frank Buckland, a chapter on antiquities by Lord Selborne, and new letters. Illustrated by P.H. Delamottee - Buckland, Francis T. (Francis Trevelyan), 1826 -1880 (Macmillan, 1887)

The natural history and antiquities of Selborne, with observations on various parts of nature and the naturalist's calendar - White, Gilbert, 1720 -1793 (G. Routledge and sons, 1880)

The natural history of Aleppo : containing a description of the city, and the principal natural productions in its neighbourhood : together with an account of the climate, inhabitants, and diseases, particularly of the plague - Russell, Alexander, 1715? -1768 (Printed for G.G. and J. Robinson, 1794)

The natural history of animals containing the anatomical description of several creatures dissected by the Royal Academy of Sciences at Paris - Perrault, Claude, 1613 -1688 (Printed for R. Smith, 1702)

The natural history of birds - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (A. Strahan, and T. Cadell in the Strand; and J. Murray, no. 32 Fleet Street, 1793)

The Natural history of birds : containing a variety of facts selected from several writers, and intended for the amusement and instruction of children (Printed for J. Johnson, 1786)

The natural history of birds : containing a variety of facts selected from several writers and intended for the amusement and instruction of children - Johnson, Joseph, 1738 -1809 (Printed for J. Johnson, no. 72, St. Paul's Church-yard, 1791)

The natural history of birds: a popular introduction to ornithology - Jones, Thomas Rymer, 1810 -1880 (F. Warne, 1872)

The natural history of birds; a popular introduction to ornithology - Jones, Thomas Rymer, 1810 -1880 (Society for Promoting Christian Knowledge, 1867)

The natural history of cage birds, their management, habits, food, diseases, treatment, breeding, and the methods of catching them - Bechstein, Johann Matthäus, 1757 -1822 (H.J. Drane, 1897)

The natural history of cage birds; their management, habits, food, diseases, treatment, breeding, and the methods of catching them - Bechstein, Johann Matthäus, 1757 -1822 (H.J. Drane, 1837)

The natural history of cage birds; their management, habits, food, diseases, treatment, breeding, and the methods of catching them - Bechstein, Johann Matthäus, 1757 -1822 (W. S. Orr and Co, 1845)

The natural history of cage birds; their management, habits, food, diseases, treatment, breeding, and the methods of catching them - Bechstein, Johann Matthäus, 1757 -1822 (Groombridge, [1837?])

The natural history of foreign butterflies - Duncan, James, 1804 -1861 (W. H. Lizars; [etc.], 1837)

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)

Natural history of New York - Hall, James, 1811 -1898 (D. Appleton & co. and Wiley & Putnam, 1843)

Natural history of New York (D. Appleton, 1842)

The natural history of Norway : containing a particular and accurate account of the temperature of the air,the different soils, waters, vegetables, metals, minerals, stones, beasts, birds, and fishes : together with the dispositions, customs, and manner of living of the inhabitants : interspersed with physiological notes from eminent writers, and transactions of academics : in two parts - Pontoppidan, Erich, 1698 -1764 (Printed for A. Linde, 1755)

The natural history of Pliny - Bostock, John, 1773 -1846 (H. G. Bohn, 1855)

Natural history of Selborne & observations on nature - White, Gilbert, 1720 -1793 (D. Appleton & Co, 1895)

Natural history of Selborne and observations on nature - White, Gilbert, 1720 -1793 (Musson, 1904)

Natural history of Selborne, and observations on nature - Burroughs, John, 1837 -1921 (Musson Book Co, 1904)

The natural history of Selborne; with A naturalist's calendar & additional observations - White, Gilbert, 1720 -1793 (Scott, 1887)

The natural history of Selborne : with a naturalist's calendar and additional observations - White, Gilbert, 1720 -1793 (W. Scott, 1887)

The natural history of Selborne; with observations on various parts of nature; and the naturalist's calendar - White, Gilbert, 1720 -1793 (H.G. Bohn, 1851)

A natural history of the animal kingdom being a systematic and popular description of the habits, structure, and classification of animals, from the lowest to the highest forms. Arranged according to their organisation - Gray, John Edward 1800 -1875 (Charles Griffin and company, 1860)

Natural history of the district ..., together with a geological account of the rock strata, and the fossils contained in them, Part II [in The Teignmouth, Dawlish, and Torquay Guide.,,, by N. T. Carrington] - Turton, William, 1762 -1835 (E. Croydon, 1830)

Natural history - Pliny, the Elder, 23 or 24 -79 (W. Heinemann, 1938)

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 : illustrative of the animal, vegetable, and mineral kingdoms - Maund, B. (Benjamin), 1790 -1863 (R. Groombridge, 1837)

A naturalist in the Magdalen Islands : giving a description of the islands and list of the birds taken there, with other ornithological notes - Cory, Charles B. (Charles Barney), 1857 -1921 (A. Mudge, printers, 1878)

A naturalist in the Magdalen Islands; giving a description of the islands and a list of the birdstaken there, with other ornithological notes - Cory, Charles B. (Charles Barney), 1857 -1921 ([A. Mudge and son, printers], 1878)

Naturalist (Maund, Hall & Wood.) (1837)

Naturalist (Morris)

The naturalist's library - Lizars, W. H. 1788 -1859 (W. H. Lizars; [etc., etc.], 1837)

The Naturalist's note book : a monthly record of anecdotes, theories, and facts relating to natural science (Reeves and Turner, 1867)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1888)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1890)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1879)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1878)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1901)

Naturgeschichte der Insecten Deutschlands. 1. Abtheilung, Coleoptera - Reitter, Edmund, 1844 -1919 (Nicholaische Buchhandlung, 1866)

Naturgeschichte der Stubenthiere : oder Anleitung zur Kentniss und Wartung derjenigen Thiere, welche man in der Stube halten kann : 1 Bd. : die Stubenvögel - Bechstein, Johann Matthäus, 1757 -1822 (C.W. Ettinger, 1800)

Naturgeschichte der Stubenvögel - Bechstein, Johann Matthäus, 1757 -1822 (Hennemann, 1840)

Naturgeschichte der Vögel deutschlands in getreuen Abbildungen und Beschreibungen - Meyer, Bernhard, 1767 -1836 (J.F. Frauenholz, 1805)

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, 1901)

Naturgeschichte der Vögel Mitteleuropas - Naumann, Johann Andreas, 1747 -1826 (F. E. Köhler, 1903)

Naturgeschichte der Vögel - Schinz, H. R. (Heinrich Rudolf), 1777 -1861 (F. Hanke, 1853)

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, 1901)

Die Naturgeschichte des Cajus Plinius Secundus : ins Deutsche übersetzt und mit Anmerkungen versehen - Wittstein, Georg Christian, 1810 -1887 (Gressner & Schramm, 1881)