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

Morphology of angiosperms : (Morphology of spermatophytes, Part II) - Coulter, John Merle, 1851 -1928 (D. Appleton, 1909)

Morphology of angiosperms (Morphology of spermatophytes, Part II) - Coulter, John Merle, 1851 -1928 (Appleton & Co, 1903)

Morphology of angiosperms (Morphology of spermatophytes. Part II) - Coulter, John Merle, 1851 -1928 (D. Appleton, 1903)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1963)

The Morrow plots : a century of learning - University of Illinois at Urbana-Champaign. Agricultural Experiment Station. (Agricultural Experiment Station, College of Agriculture, University of Illinois at Urbana-Champaign, 1982)

Morse's garden guide. 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1919)

Morse's garden guide. 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1918)

Morse's garden guide : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1920)

Morse's garden guide for 1924 : vegetable, flower and field seeds, also implements, insecticides and all accessories necessary for garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1924)

Morse's garden guide : seeds - Morse, C.C. & Co. (C.C. Morse & Co, 1910)

Morse's garden guide : seeds - Morse, C.C. & Co. (C.C. Morse & Co, 1916)

Morse's garden guide : seeds - Morse, C.C. & Co. (C.C. Morse & Co, 1917)

Morse's garden guide : seeds 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1916)

Morse's garden guide : seeds 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1917)

Morse's garden guide : seeds, plants, trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1912)

Morse's garden guide : seeds, plants, trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1914)

Morse's garden guide : seeds, plants, trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1913)

Morse's garden guide : seeds, plants, trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1915)

Morse's seeds : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1925)

Morse's seeds : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1926)

Morse's seeds : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1927)

Morse's seeds : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1928)

Morse's seeds : 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1929)

Morse's seeds, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.C. Morse & Co, 1930)

The mosaic disease of cucurbits - Doolittle, S. P. (Sears Polydore), 1890 -1961 (U.S. Dept. of Agriculture, 1920)

The mosaic disease of tobacco - Allard, H. A. (Harry Ardell), 1880 -1963 (U.S. Dept. of Agriculture, 1914)

The most exciting new rose of 1952 : day by day nature paints changing colors before your eyes - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Germain, 1952)

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

Mountain, plain and garden : the magazine of Denver Botanic Gardens - Denver Botanic Gardens. (The Gardens, 1998)

Mountain wild flowers of America; a simple and popular guide to the names and descriptions of the flowers that bloom above the clouds - Henshaw, Julia W. (Julia Wilmotte) 1869 -1937 (Ginn, 1906)

Mountain wild flowers of Canada : a simple and popular guide to the names and descriptions of the flowers that bloom above the clouds - Henshaw, Julia W. (Julia Wilmotte) 1869 -1937 (William Briggs, 1906)

Movimenti d'irritazione delle piante; uno studio d'insieme e trattazione di questioni speciali - Ricca, Ubaldo. (U. Hoepli, 1910)

Musée entomologique illustré : histoire naturelle iconographique des insectes : publiée par une réunion d'entomologistes français et étrangers - Bisson-Cottard (Firm) (Rothschild, 1878)

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

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

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)

Mutation et traumatismes - Blaringhem, Louis, 1878 -1958 (Bulletin scientifique de la France et de la Belgique, 1907)

The mutation theory; experiments and observations on the origin of species in the vegetable kingdom - Vries, Hugo de, 1848 -1935 (Open Court Publishing Company; [etc., etc.], 1909)

The mutation theory; experiments and observations on the origin of species in the vegetable kingdom - Vries, Hugo de, 1848 -1935 (Open Court Pub. Co, 1909)

Mutations, variations, and relationships of the oenotheras - MacDougal, Daniel Trembly, 1865 -1958 (Carnegie Institution of Washington, 1907)

Die mutationstheorie. Versuche und beobachtungen über die entstehung von arten im pflanzenreich - Vries, Hugo de, 1848 -1935 (Veit & comp, 1901)

Die mutationstheorie. Versuche und beobachtungen über die entstehung von arten im pflanzenreich - Vries, Hugo de, 1848 -1935 (Veit & comp, 1903)

Muzzy Brothers 1908 [catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muzzy Brothers, 1908)

Muzzy Brothers 1909 seeds and implements - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muzzy Brothers, 1909)

Muzzy Brothers' annual catalogue of seeds : 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muzzy Brothers, 1907)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1912)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1915)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1917)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1918)

Mycologisches Centralblatt = Mycological review = Revue mycologique = Revista micologica : Zeitschrift für allgemeine und angewandte Mycologie : Organ für wissenschaftliche Forschung auf den Gebieten der allgemeinen Mycologie, Gärungschemie und technischen Mycologie - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1913)

Mycologisches Centralblatt = Mycological review = Revue mycologique = Revista micologica : Zeitschrift für allgemeine und angewandte Mycologie : Organ für wissenschaftliche Forschung auf den Gebieten der allgemeinen Mycologie, Gärungschemie und technischen Mycologie - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1914)

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)

Názorná kvĕtena zemí koruny c̆eské, obsahujíci téz̆ c̆elnĕjs̆í rostliny cizozemské, pĕstované u nás pro uz̆itek a okrasu, se zvlás̆tním zr̆etelem k zjevům z̆ivotním - Polivka, František, 1923 (Nákl. R. Prombergra, 1904)

Názorná kvĕtena zemí koruny c̆eské, obsahujíci téz̆ c̆elnĕjs̆í rostliny cizozemské, pĕstované u nás pro uz̆itek a okrasu, se zvlás̆tním zr̆etelem k zjevům z̆ivotním - Polivka, František, 1923 (Nákl. R. Prombergra, 1900)

Názorná kvĕtena zemí koruny c̆eské, obsahujíci téz̆ c̆elnĕjs̆í rostliny cizozemské, pĕstované u nás pro uz̆itek a okrasu, se zvlás̆tním zr̆etelem k zjevům z̆ivotním - Polivka, František, 1923 (Nákl. R. Prombergra, 1901)

Nachrichtenblatt der Bayerischen Entomologen - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1952)

Nachrichtenblatt der Bayerischen Entomologen - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1979)

Nachrichtenblatt der Bayerischen Entomologen - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 2002)

Nachträge zu den Vegetationsverhältnissen von Croatien, veranlasst durch die Flora Croatica von Schlosser und Vukotinovic - Neilreich, August, 1803 -1871 (1869)

Nantucket wild flowers - Albertson, Alice Owen. (G. P. Putnam's sons, 1921)

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

Native and introduced forage plants (South Dakota Agricultural College and Experiment Station, 1894)

The native flora of the vicinity of Cold Spring Harbor, L.I., New York - Grier, Norman McDowell 1890 -1951 (1925)

Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2009)

Das natürliche System des Pflanzenreiches nachgewiesen in der Flora von Jena - Koch, Karl, 1809 -1879 (Hochhausen, 1839)

Natürliche Schöpfungsgeschichte. Gemeinverständliche wissenschaftliche Vorträge über die Entwicklungslehre ... über die Anwendung derselben auf den Ursprung des Menschen und andere damit zusammenhängende Grundfragen der Naturwissenschaft - Haeckel, Ernst, 1834 -1919 (1868)

Die Natur - Müller, Karl, 1818 -1899 (G. Schwetschke, 1852)

Natur Cymru : a review of wildlife in Wales - Natur Cymru, (Natur Cymru, 2010)

Natur Cymru : a review of wildlife in Wales - Natur Cymru, (Natur Cymru, 2013)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1904)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1913)

Natural areas inventory, Gates County, North Carolina - North Carolina. Coastal Energy Impact Program. (North Carolina Coastal Energy Impact Program, Office of Coastal Management, North Carolina Dept. of Natural Resources and Community Development, 1982)

A natural arrangement of British plants : according to their relations to each other as pointed out by Jussieu, De Candolle, Brown, &c - Gray, Samuel Frederick, 1766 -1828 (Baldwin, Cradock, and Joy, 1821)