Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2012)

Matabele land and the Victoria Falls; a naturalist's wanderings in the interior of South Africa - Oates, Charles George. (Kegan Paul, Trench & Co, 1889)

Memoir - Cornell University. Agricultural Experiment Station. (1921)

Mémoires - Société entomologique de Belgique. (The Society, 1897)

Mémoires - Société entomologique de Belgique. (The Society, 1900)

Mémoires - Société entomologique de Belgique. (The Society, 1911)

Memoires de la Société (Royale) des sciences, de l'agriculture et des arts à Lille - Société des sciences de l'agriculture et des arts de Lille (Société (Royale) des sciences, de l'agriculture et des arts à Lille, 1852)

Mémoires de la Société royale des sciences de Liège - Société royale des sciences de Liège. (La Société, 1853)

Mémoires de la Société royale des sciences de Liège - Société royale des sciences de Liège. (La Société, 1873)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Editions du Muséum, 1939)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Editions du Museum, 1948)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1944)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1945)

Memorial of life and entomologic work of Joseph Albert Lintner ... state entomologist, 1874-98 - Felt, Ephraim Porter, 1868 -1943 (University of the State of New York, 1899)

Memorial of life and entomologic work of Joseph Albert Lintner, state entomologist, 1874-98 - Felt, Ephraim Porter, 1868 -1943 (University of the State of New York, 1899)

Memorias sobre la historia natural de la isla de Cuba, acompañadas de sumarios latinos y extractos en frances - Poey, Felipe, 1799 -1891 (Impr. de Barcina, 1856)

De metamorphosi eleutheratorum observationes : bidrag til insekternes udviklingshistorie - Schiødte, J. C. (Jørgen Matthias Christian), 1815 -1884 (Thieles Bogtrykkeri, 1869)

De metamorphosi eleutheratorum observationes : bidrag til insekternes udviklingshistorie - Schiødte, J. C. (Jørgen Matthias Christian), 1815 -1884 (Thieles Bogtrykkeri, 1861)

Mitteilungen aus dem Naturhistorischen Museum in Hamburg - Naturhistorisches Museum in Hamburg. (Lütcke & Wulff, 1907)

Mitteilungen aus dem Naturhistorischen Museum in Hamburg - Naturhistorisches Museum in Hamburg. (Lütcke & Wulff, 1913)

Mitteilungen aus dem Osterlande (1837)

Mitteilungen aus der Entomologischen Gesellschaft zu Halle a. S - Entomologische Gesellschaft zu Halle a. S. (Quelle & Meyer, 1912)

Mitteilungen der Münchner Entomologischen Gesellschaft - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1939)

Mitteilungen der Schweizerischen Entomologischen Gesellschaft = Bulletin de la Société entomologique suisse - Schweizerische Naturforschende Gesellschaft. (Schweizerische Entomologische Gesellschaft, 1886)

Mitteilungen der Schweizerischen Entomologischen Gesellschaft = Bulletin de la Société entomologique suisse - Schweizerische Naturforschende Gesellschaft. (Schweizerische Entomologische Gesellschaft, 1887)

Mitteilungen der Schweizerischen Entomologischen Gesellschaft = Bulletin de la Société entomologique suisse - Schweizerische Naturforschende Gesellschaft. (Schweizerische Entomologische Gesellschaft, 1906)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1865)

A monograph of Christmas Island (Indian Ocean) - British Museum (Natural History). Department of Geology. (Printed by order of the Trustees, 1900)

Monographie de la famille des eucnémides - Bonvouloir, Henry de, vicomte, 1839 -1914 (L. Buquet, 1870)

Monographie des Buprestides - Kerremans, Ch. (Charles), 1847 -1915 (J. Janssens, 1906)

Monographie des Buprestides - Kerremans, Ch. (Charles), 1847 -1915 (J. Janssens, 1910)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1900)

Monthly letter - United States. Bureau of Entomology. (1919)

Monthly letter - United States. Bureau of Entomology. (1924)

Musée entomologique illustré : histoire naturelle iconographique des insectes : publiée par une réunion d'entomologistes français et étrangers - Bisson-Cottard (Firm) (Rothschild, 1876)

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)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1887)

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

Natural history of New York - Hall, James, 1811 -1898 (D. Appleton & co. and Wiley & Putnam, 1842)

The natural history of Washington territory, with much relating to Minnesota, Nebraska, Kansas, Oregon, and California, between the thirty-sixth and forty-ninth parallels of latitude, being those parts of the final reports on the survey of the Northern Pacific railroad route, containing the climate and physical geography, with full catalogues and descriptions of the plants and animals collected from 1853 to 1857 - Gray, Asa, 1810 -1888 (Baillière brothers, 1859)

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)

A naturalist in the Great Lakes region - Downing, Elliot Rowland, 1868 -1944 (University of Chicago Press, 1922)

Il Naturalista siciliano : organo della Società siciliana di scienze naturali - Società siciliana di scienze naturali. (Tip. Luxograph [etc.], 1892)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1870)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1871)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1872)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1878)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1899)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1909)

Nature study and life - Hodge, Clifton F. (Clifton Fremont), 1859 -1919 (Ginn & Co, 1902)

Nature study and life - Hodge, Clifton F. (Clifton Fremont), 1859 -1919 (Ginn & Company, 1902)

Naturgeschichte der Insecten Deutschlands. 1. Abtheilung, Coleoptera - Reitter, Edmund, 1844 -1919 (Nicholaische Buchhandlung, 1857)

Die Naturgeschichte des Thierreichs - Giebel, C. (Christoph), 1820 -1881 (Wigand, 1863)

Naturgeschichte des Thierreichs : für höhere Schulen - Gistel, Johannes, 1809 - (Scheitlin & Krais, 1851)

Nel Darien e nell' Ecuador : risultati zoologici - Festa, Enrico, 1868 -1939 (s.n, 1906)

Neue Denkschriften der Allg. Schweizerischen Gesellschaft für die Gesammten Naturwissenschaften = Nouveau mémoires de la Société helvétique des sciences naturelles - Allgemeine Schweizerische Gesellschaft für die Gesamten Naturwissenschaften. (Schweizerische Gesellschaft für die Gesammten Naturwissenschaften, 1837)

Neue Denkschriften der Allgemeinen Schweizerischen Gesellschaft für die Gesammten Naturwissenschaften - Allgemeine Schweizerische Gesellschaft für die Gesamten Naturwissenschaften. (1845)

Neues Verzeichniss der preusischen Käfer - Lentz, Friedrich Leonhard, 1813 - (E. J. Dalkowski, 1857)

New Miocene Coleoptera from Florissant - Wickham, H. F. (Henry Frederick), 1866 -1933 (The Museum, 1914)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1921)

News letter - United States. Bureau of Entomology; Plant Quarantine. (Bureau of Entomology and Plant Quarantine, 1934)

Ninth annual report of the United States Geological and Geographical Survey of the Territories : embracing Colorado and parts of adjacent territories; being a report of progress of the exploration for the year 1875 - Geological; Geographical Survey of the Territories (U.S.) (Govt. Print. Off, 1877)

Nomenclator entomologicus : Verzeichniss der europäischen Insecten, zur Erleichterung des Tauschverkehrs mit Preisen versehen - Herrich-Schäffer, G. A. W. (Gottlieb August Wilhelm), 1799 -1874 (Friedrich Pustet, 1835)

Nomenclator zoologicus. An alphabetical list of all generic names that have been employed by naturalists for recent and fossil animals from the earliest times to the close of the year 1879 ... - Scudder, Samuel Hubbard, 1837 -1911 (Govt. Print. Off, 1882)

Nomenclator zoologicus : continens nomina systematica generum animalium tam viventium quam fossilium, secundum ordinem alphabeticum disposita, adjectis auctoribus, libris, in quibus reperiuntur, anno editionis, etymologia et familiis, ad quas pertinent, in singulis classibus - Agassiz, Louis, 1807 -1873 (Jent et Gassmann, 1842)

Nomenclatoris zoologici index universalis : continens nomina systematica classium, ordinum, familiarum et generum animalium omnium ... homonymiis plantarum - Agassiz, Louis, 1807 -1873 (Sumptibus Jent et Gassman, 1848)

Nomenclature of coleopterous insects in the collection of the British Museum. Part III, Buprestidæ - British Museum (Natural History) (The Museum, 1848)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1893)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1879)

Notes on entomology: a syllabus of a course of lectures delivered at the Cornell University ... - Comstock, John Henry, 1849 -1931 (University Press, 1875)

Nova Guinea : résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée ... - Beaufort, L. F. de (Lieven Ferdinand), 1879 -1968 (E.J. Brill, 1908)

Occasional papers from the Museum of Victoria. Vol. 1-6 (1984-1993) - Museum of Victoria (Council of the Museum of Victoria, 1992)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1901)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1953)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2010)

Official lists and indexes of names and works in zoology. Supplement 1986-2000 - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, c/o Natural History Museum, 2001)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1909)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1909)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1988)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1986)

On the Coleoptera known to occur in Indiana - Blatchley, W. S. (Willis Stanley), 1859 -1940 (W.B. Burford, contractor for state printing, 1910)

Orchard insects of the Pacific Northwest and their control - Newcomer, E. J. (Erval Jackson), 1890 - (U.S. Dept. of Agriculture, 1933)

Orchard insects of the Pacific Northwest and their control - Newcomer, E. J. (Erval Jackson), 1890 - (U.S. Dept. of Agriculture, 1934)

Orchard insects of the Pacific Northwest and their control - Newcomer, E. J. (Erval Jackson), 1890 - (U.S. Dept. of Agriculture, 1941)

Orchard insects of the Pacific Northwest and their control - Newcomer, E. J. (Erval Jackson), 1890 - (U.S. Dept. of Agriculture, 1942)

The Ornithologist and oölogist (1886)

The Ornithologist and oölogist (1887)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1916)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1915)

Our common insects. A popular account of the insects of our fields, forests, gardens and houses - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalists' Agency, 1873)

Our common insects A popular account of the insects of our fields, forests, gardens, and houses - Packard, A. S. (Alpheus Spring), 1839 -1905 (Estes and Lauriat, 1873)

Outlines of economic entomology. Designed as a textbook for school and colleges, and as a reference-book for farmers and gardeners - Eberhart, Noble Murray, 1870 - (A. Flanagan, 1888)

Outlines of entomology, published in connection with the author's annual reports upon injurious insects. Part first. Including the order of coleoptera - LeBaron, William. (State Journal Steam Print, 1874)

Palaeontographica (Theodor Fischer, 1846)

Palaeontographica (Theodor Fischer, 1861)

Pamphlets on forest protection (1900)