The microanalysis of powdered vegetable drugs - Schneider, Albert, 1863 -1928 (P. Blakiston's son & co, 1921)

The microtomist's vade-mecum; a handbook of the methods of microscopic anatomy - Lee, Arthur Bolles, 1849 -1927 (P. Blakiston's Son & Co, 1913)

The microtomist's vade-mecum; a handbook of the methods of microscopic anatomy - Lee, Arthur Bolles, 1849 -1927 (Blakiston, 1921)

The microtomist's vade-mecum; a handbook of the methods of microscopic anatomy - Lee, Arthur Bolles, 1849 -1927 (P. Blakiston's son & co, 1921)

The microtomist's vade-mecum; a handbook of the methods of microscopic anatomy - Lee, Arthur Bolles, 1849 -1927 (P. Blakiston's son & co, 1905)

Midden-Sumatra. Reizen en onderzoekingen der Sumatra-expeditie, uitgerust door het Aardrijkskundig genootschap, 1877-1879, beschreven door de leden der expeditie, onder toezicht van Prof. P.J. Veth - Veth, Pieter Johannes, 1814 -1895 (E.J. Brill, 1881)

Midden-Sumatra. Reizen en onderzoekingen der Sumatra-expeditie, uitgerust door het Aardrijkskundig genootschap, 1877-1879, beschreven door de leden der expeditie, onder toezicht van Prof. P.J. Veth - Veth, Pieter Johannes, 1814 -1895 (E. J. Brill, 1881)

Mikrochemie der Pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1921)

Mikrochemie der pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1923)

Mikrochemie der Pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1913)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1896)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1909)

Minnesota trees and shrubs : an illustrated manual of the native and cultivated woody plants of the State - Clements, Frederic E. (Frederic Edward), 1874 -1945 (University of Minnesota, 1912)

Minnesota trees and shrubs : an illustrated manual of the native and cultivated woody plants of the state - Clements, Frederic E. (Frederic Edward), 1874 -1945 (University of Minnesota, 1912)

Minnewaska's flora - Dallas, Ellen M. (1896)

Miscellaneous papers on the botany of Michigan - Dodge, C. K. (Charles Keene), 1844 -1918 (Wynkoop Hallenbeck Crawford, State Printers, 1921)

Miscellaneous papers on the zoology of Michigan - Hankinson, Thomas Leroy, 1876 - (W. H. Crawford Co., state printers, 1916)

Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1961)

Miscellaneous publications - University of Michigan. Museum of Zoology. (The University, 1916)

Mission scientifique du cap Horn, 1882-1883 - Mission scientifique du Cape Horn, 1882-1883. (Gauthier-Villars, 1889)

Mitteilungen aus dem Naturwissenschaftlichen Verein für Neuvorpommern und Rügen in Griefswald ... - Naturwissenschaftlicher Verein für Neuvorpommern und Rügen, Greifswald. (1882)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1906)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1912)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1915)

Modern medicine and bacteriological world ([s.n.], 1893)

Modern nature study : a first book for use in Canadian schools - Silcox, S. (Morang & Co, 1902)

Modern science reader : with special reference to chemistry - Bird, Robert Montgomery, 1867 -1938 (Macmillan & co., ltd, 1911)

Monatsschrift des Vereines zur Beförderung des Gartenbaues in den Königl. Preussischen Staaten für Gärtnerei und Pflanzenkunde - Verein zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten. (In Kommission bei Wiegandt, Hempel & Parey [etc.], 1874)

Monatsschrift des Vereines zur Beförderung des Gartenbaues in den Königl. Preussischen Staaten für Gärtnerei und Pflanzenkunde - Verein zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten. (In Kommission bei Wiegandt, Hempel & Parey [etc.], 1876)

Monographies de plantes canadiennes suivies de croquis champêtres et d'un calendrier de la flore de la province de Québec - Massicotte, E.-Z. (Édouard-Zotique), 1867 -1947 (C.O. Beauchemin, 1899)

Monographs in systematic botany from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 1981)

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)

Morphology of the angiosperms - Eames, Arthur J., 1881 -1969 (McGraw-Hill, 1961)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1957)

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

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1965)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1966)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1967)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1971)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1973)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 1984)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 1993)

The Mount Rainier forest reserve - Plummer, Fred Gordon, 1864 -1913 (Govt. print. off, 1900)

The Mount Rainier forest reserve, Washington - Plummer, Fred Gordon, 1864 -1913 (Govt print. off, 1900)

Mount Rainier : a record of exploration - Meany, Edmond S. 1862 -1935 (Macmillan, 1916)

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

The Mountaineer (The Mountaineers, 1907)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 2000)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1911)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1913)

Museum bulletin - New York State Museum. (University of the State of New York, 1910)

Museum bulletin - Geological Survey of Canada. Museum. (Government Printing Bureau, 1917)

Museum bulletin - New York State Museum. (University of the State of New York, 1911)

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

My shrubs - Phillpotts, Eden, 1862 -1960 (John Lane, 1915)

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

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

Mycologia - New York Botanical Garden (New York Botanical Garden, 1919)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1922)

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

A narrative history of the town of Cohasset, Massachusetts - Bigelow, E. Victor (Edwin Victor), 1866 -1929 (Committee on Town History, 1898)

A narrative history of the town of Cohasset, Massachusetts - Bigelow, E. Victor (Edwin Victor), 1866 -1929 (Published under the auspices of the Committee on Town History, 1898)

Narrative of the United States' exploring expedition, during the years 1838, 1839, 1840, 1841, 1842 [Condensed and abridged] - Wilkes, Charles, 1798 -1877 (Whittaker, 1845)

Narrative of the United States exploring expedition. During the years 1838, 1839, 1840, 1841, 1842 - Wilkes, Charles, 1798 -1877 (1845)

Narrative of a whaling voyage round the globe, from the year 1833 to 1836. Comprising sketches of Polynesia, California, the Indian Archipelago, etc. with an account of southern whales, the sperm whale fishery, and the natural history of the climates visited - Bennett, Frederick Debell, 1806 -1859 (Richard Bentley, 1840)

National list of scientific plant names - United States. Soil Conservation Service. (Nebr.], 1971)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1909)

Native American ferns and wild flowers : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1935)

Native broad-leaved evergreens for immediate effect : fall, 1932-spring, 1933 : and many other specialties for fall and spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1932)

Native broad-leaved evergreens for immediate effect : fall, 1929-spring, 1930 : and many other specialties for fall and spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1929)

Native broad-leaved evergreens for immediate effect : fall 1924-spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1924)

Native broad-leaved evergreens for immediate effect : fall 1925-spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1925)

Native broad-leaved evergreens for immediate effect : fall 1928-spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1928)

Native broad-leaved evergreens for immediate effect : fall 1926-spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1926)

Native broad-leaved evergreens for immediate effect : fall 1927-spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1927)

Native North American ferns and wild flowers for fall, 1929, planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1929)

Native North American ferns and wild flowers for fall, 1930, planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1930)

Native North American ferns and wild flowers for fall, 1931, planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1931)

Native North American ferns and wild flowers for fall, 1932, planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1932)

Native plants and seeds from the Pacific Northwest - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl S. English, Jr, 1935)

Native plants from "The Land of the Sky", 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nik-Nar Nursery, 1935)

Native plants from "The Land of the Sky", 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nik-Nar Nursery, 1936)

Native plants from "The Land of the Sky", 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nik-Nar Nursery, 1937)

Native seeds and plants from the Pacific Northwest, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl S. English, Jr, 1939)

Native seeds from the Pacific Northwest, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl S. English, Jr, 1936)

Native woody plants of the United States, their erosion-control and wildlife values - United States. (U. S. Govt. print. off, 1938)

Natural history - American Museum of Natural History (American Museum of Natural History, 1981)

The natural history of Juan Fernandez and Easter Island - Skottsberg, Carl, 1880 -1963 (Almqvist & Wiksells Boktryckeri, 1920)

The Natural history of Juan Fernandez and Easter Island - Skottsberg, Carl, 1880 -1963 (Almqvist & Wiksells Boktryckeri, 1956)

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 the cranes - Blyth, Edward, 1810 -1873 (Pub. for the author by H. Cox [etc.], 1881)

Natural history of the Queen Charlotte islands, British Columbia. Natural history of the Cook inlet region, Alaska - Osgood, Wilfred Hudson, 1875 -1947 (Government Printing Office, 1901)

The natural history of Washington territory and Oregon : with much relating to Minnesota, Nebraska, Kansas, Utah, 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, relating to the natural history of the regions explored : with full catalogues and descriptions of the plants and animals collected from 1853 to 1860 - Cooper, J. G. (James Graham), 1830 -1902 (Bailliáere Brothers ... [and 3 others], 1860)

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)

The natural history review - Belfast Natural History; Philosophical Society. (Hodges & Smith, 1865)

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, 1991)

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

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

The naturalist in Vancouver Island and British Columbia - Lord, John Keast, 1818 -1872 (R. Bentley, 1866)

A naturalist in western China, with vasculum, camera, and gun; being some account of eleven years' travel, exploration, and observation in the more remote parts of the Flowery kingdom - Sargent, Charles Sprague, 1841 -1927 (Methuen & co., ltd, 1913)

A naturalist in Western China : with vasculum, camera, and gun, being some account of eleven year's travel, exploration, and observation in the more remote parts of the flowery kingdom - Wilson, Ernest Henry, 1876 -1930 (Methuen, 1913)

Naturalist's guide to the Americas - Ecological Society of America. Committee on the Preservation of Natural Conditions. (Williams & Wilkins, 1926)

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)

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.], 1877)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1881)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1901)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1909)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1921)

Nature and development of plants - Curtis, Carlton C. (Carlton Clarence), 1864 -1945 (H. Holt, 1910)

Nature and development of plants - Curtis, Carlton C. (Carlton Clarence), 1864 -1945 (H. Holt, 1916)

Nature and development of plants - Curtis, Carlton C. (Carlton Clarence), 1864 -1945 (H. Holt, 1915)

Nature and development of plants - Curtis, Carlton C. (Carlton Clarence), 1864 -1945 (H. Holt, 1918)

Nature and development of plants - Curtis, Carlton C. (Carlton Clarence), 1864 -1945 (H. Holt and Company, 1918)

Naturhistorisk tidsskrift - Schiødte, J. C. (Jørgen Matthias Christian), 1815 -1884 (C.A. Reitzel, 1838)

Das natürliche Pflanzensystem : ein Versuch, die gegenseitigen Verwandtschaften der Pflanzen aufzufinden ... : mit Berücksichtigung der arzneilichen und überhaupt anwendbaren Gewächse, nebst einer historischen Einleitung ... - Heynhold, Gustav. (In der Arnoldischen Buchh, 1840)

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)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1890)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1909)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1890)

Natuur- en geneeskundig archief voor Neêrland's-Indië (Drukkerij van het Bataviaasch Genootschap, 1844)

Natuurkundig tijdschrift voor Nederlandsch Indië - Koninklijke Natuurkundige Vereeniging in Nederlandsch Indië. (Lange, 1855)

Natuurkundig tijdschrift voor Nederlandsch Indië - Koninklijke Natuurkundige Vereeniging in Nederlandsch Indië. (Lange, 1856)