Mittheilungen des Münchener Entomologischen Vereins - Münchener Entomologischer Verein. (T. Ackermann, 1877)

Molecular architecture of the hyphal wall in the water mold, Achlya ambisexualis Raper - Reiskind, Julia Barth, 1941 - (1980)

Mollusca testacea marium britannicorum : a history of the British marine testaceous Mollusca distributed in their natural order, on the basis of the organization of the animals : with references and notes on every British species - Clark, William, of Bath. (J. Van Voorst, 1855)

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1866)

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, 1908)

Monatsschrift für Kakteenkunde (J. Neumann, 1910)

Monatsschrift für Kakteenkunde (J. Neumann, 1921)

A monograph of the Hirundinidae : or family of swallows - Sharpe, Richard Bowdler, 1847 -1909 (Printed for the authors, 1885)

A monograph of the weaver-birds, Ploceidae, and arboreal and terrestrial finches, Fringillidae - Bartlett, Edward, 1836 -1908 (Published by the author, 1888)

Monograph on downy mildew of crucifers - Nashaat, N.I. (Minister of Supply and Services Canada, 1997)

Monographia Aquifoliacearum. Pt. 2 - Loesener, Th. (Theodor), 1865 -1941 (1908)

Monographia heliceorum viventium : sistens descriptiones systematicas et criticas omnium huius familiae generum et specierum hodie cognitarum - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Brockhaus, 1876)

Monographie des élatérides - Candèze, E. C. (Ernest Charles), 1827 -1898 (H. Dessain, 1863)

Monographie des érotyliens, famille de l'ordre des coléoptères - Lacordaire, Théodore, 1801 -1870 (Roret, 1842)

Monographs in systematic botany from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2006)

Monographs in systematic botany from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2007)

Monographs in systematic botany from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2010)

Montana amphibian and reptile status assessment, literature review, and conservation plan - United States. Bureau of Land Management. (Montana Natural Heritage Program, 2009)

Monthly bulletin of economic and social intelligence - International Institute of Agriculture. Bureau of Economic; Social Intelligence. (International Institute of Agriculture, Bureau of Economic and Social Intelligence, 1914)

Monthly Magazine or British Register (of Politics, Literature and the Belles Lettres) (1824)

More letters of Charles Darwin : a record of his work in a series of hitherto unpublished letters - Darwin, Charles, 1809 -1882 (D. Appleton and Company, 1903)

More letters of Charles Darwin : a record of his work in a series of hitherto unpublished letters - Darwin, Charles, 1809 -1882 (J. Murray, 1903)

More letters of Charles Darwin. A record of his work in a series of hitherto unpublished letters - Darwin, Charles, 1809 -1882 (J. Murray, 1903)

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

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1974)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 1997)

The museum of natural history; being a popular account of the structure, habits, and classification of the various departments of the animal kingdom: quadrupeds, birds, reptiles, fishes, shells, and insects, including the insects destructive to agriculture - Holder, Joseph B. (Joseph Bassett), 1824 -1888 (J. S. Virtue, 1877)

Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft - Deutsche Malakozoologische Gesellschaft (Verlag W. Küchler, 1870)

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 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 the surveying voyages of His Majesty's Ships Adventure and Beagle between the years 1826 and 1836, describing their examination of the southern shores of South America, and the Beagle's circumnavigation of the globe - Darwin, Charles, 1809 -1882 (Henry Colburn, 1839)

Narrative of the surveying voyages of His Majesty's ships Adventure and Beagle between the years 1826 and 1836 : describing their examination of the southern shores of South America and the Beagle's circumnavigation of the globe : in three volumes - Darwin, Charles, 1809 -1882 (Henry Colburn, 1839)

Narrative of the surveying voyages of His Majesty's ships Adventure and Beagle, between the years 1826 and 1836, describing their examination of the southern shores of South America, and the Beagle's circumnavigation of the globe - Fitzroy, Robert, 1805 -1865 (H. Colburn, 1839)

Narrative of the surveying voyages of His Majesty's ships Adventure and Beagle, between the years 1826 and 1836, describing their examination of the southern shores of South America, and the Beagle's circumnavigation of the globe - Darwin, Charles, 1809 -1882 (H. Colburn, 1839)

Natal plants : Descriptions and figures of Natal indigenous plants, with notes on their distribution, economic value, native names, &c., / by J. Medley Wood and Maurice S. Evans. Published under the auspices of Natal Government and Durban Botanic Society - Wood, John Medley, 1827 -1915 (Bennett & Davis, Printers, 1902)

Natal plants : descriptions and figures of Natal indigenous plants, with notes on their distribution economic value, native names, etc., etc. By J. Medley Wood and Maurice S. Evans - Wood, John Medley, 1827 -1915 (Bennett & Davis, 1902)

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, 1916)

The National geographic magazine - National Geographic Society (U.S.) (National Geographic Society, 1917)

The National geographic magazine - National Geographic Society (U.S.) (National Geographic Society, 1919)

The natural & moral history of the Indies - Acosta, José de, 1540 -1600 (Printed for the Hakluyt Society, 1880)

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

Natural history - American Museum of Natural History (American Museum of Natural History, 1921)

The natural history of animals (class Mammalia-animals which suckle their young), in word and picture - Vogt, Karl Christoph, 1817 -1895 (Blackie, 1889)

A natural history of the ducks - Fuertes, Louis Agassiz, 1874 -1927 (Houghton Mifflin Company, 1923)

The natural history review - Belfast Natural History; Philosophical Society. (Hodges & Smith, 1863)

Natural science (Macmillan & Co, 1893)

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)

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, 1871)

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, 1874)

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, 1877)

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, 1880)

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, 1882)

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, 1885)

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, 1887)

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)

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, 1910)

The naturalist in La Plata - Hudson, W. H. (William Henry), 1841 -1922 (J.M. Dent, 1922)

The naturalist in La Plata - Hudson, W. H. (William Henry), 1841 -1922 (Chapman and Hall, 1895)

A naturalist in Mexico : being a visit to Cuba, northern Yucatan and Mexico - Baker, Frank Collins, 1867 -1942 (D. Oliphant, 1895)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1892)

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

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1907)

Naturgeschichte der Vögel Mitteleuropas - Hennicke, Carl R., 1865 -1941 (F.E. Köhler, 1902)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1887)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1927)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1944)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1948)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1957)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1963)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 2004)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 2005)

Navigantium atque itinerantium bibliotheca, or, A complete collection of voyages and travels : consisting of above six hundred of the most authentic writers, beginning with Hackluit, Purchass, &c. in English; Ramusio, Alamandini, Carreri, &c. in Italian; Thevenot, Renaudot, Labat, &c. in French; De Brye, Grynaeus, Maffeus, &c. in Latin; Herrera, Oviedo, Coreal, &c. in Spanish; and the voyages under the direction of the East-India Company in Holland, in Dutch : together with such other histories, voyages, travels, or discoveries, as are in general esteem; whether published in English, Latin, French, Italian, Spanish, Portuguese, High and Low Dutch, or in any other European language : containing whatever has been observed worthy of notice in Europe, Asia, Africa, and America : in respect to the extent and situation of empires, kingdoms, provinces, &c. : the climate, soil, and produce, whether animal, vegetable, or mineral, of each country : likewise the religion, manners, and customs of the several inhabitants, their government, arts and sciences, publick buildings, mountains, rivers, harbours, &c. : illustrated by proper charts, maps, and cuts : to which is prefixed a copious introduction, comprehending the rise and progress of the art of navigation, and its successive improvements : together with the invention and use of the loadstone, and its variation : originally published in two volumes in folio - Gucht, Michael van der, 1660 -1725 (Printed for T. Woodward, A. Ward, S. Birt, D. Browne, T. Longman, R. Hett, C. Hitch, H. Whitridge, S. Austen, J. Hodges, J. Robinson, B. Dod, T. Harris, J. Hinton, and J. Rivington, 1744)

The Neanderthal skull on evolution, in an address supposed to be delivered A.D. 2085, with three illustrations - Savile, Bourchier Wrey, 1817 -1888 (Longmans, 1885)

The Nebraska bird review - Nebraska Ornithologists' Union. (Nebraska Ornithologists' Union, 1935)

Neerland's Plantentuin : Afbeeldingen en beschrijvingen van sierplanten voor tuin en kamer - Oudemans, C. A. J. A. (Cornelis Antoon Jan Abraham), 1825 -1906 (J. Wolters, 1866)

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 wirbellose thiere beobachtet und gesammelt auf einer reise um die erde 1853 bis 1857 - Schmarda, Ludwig K. (Ludwig Karl), 1819 -1908 (W. Engelmann, 1859)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1836)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1839)

New early Eocene mammalian fauna from western Patagonia, Argentina - Reguero, Marcelo. (American Museum of Natural History, 2009)

A new lizard species in the genus Xantusia from Arizona - Papenfuss, Theodore J. (Natural History Museum, University of Kansas, 2001)

The new natural history - Lydekker, Richard, 1849 -1915 (Merrill, 1901)

New Paleogene notohippids and leontiniids (Toxodontia, Notoungulata, Mammalia) from the early Oligocene Tinguiririca Fauna of the Andean Main Range, central Chile - Wyss, André R. (American Museum of Natural History, 2018)

A new species of marsupial frog (Anura: Hylidae: Gastrotheca) from the Cordillera Azul in Peru - Lehr, Edgar (Natural History Museum, University of Kansas, 2001)

News - National Live Stock Producers Association - National Live Stock Producers Association. (National Live Stock Producers Association, 1922)

Newsletter - Agricultural Research Center (Beltsville, Md.) (United States Dept. of Agriculture, Science & Education Administration, Agricultural Research Center, 1985)

Newsletter - Agricultural Research Center (Beltsville, Md.) (United States Dept. of Agriculture, Science & Education Administration, Agricultural Research Center, 1989)

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)

Non-marine mollusca of Patagonia - Pilsbry, Henry Augustus, 1862 -1957 (1911)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2001)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2002)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2007)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2008)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2009)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2010)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2011)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2012)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2014)