Memoirs of the Department of Agriculture in India Botanical series - Agricultural Research Institute (India) (Published for the Imperial Dept. of Agriculture in India by Thacker, Spink, 1913)

Memoirs of the Department of Agriculture in India Botanical series - Agricultural Research Institute (India) (Published for the Imperial Dept. of Agriculture in India by Thacker, Spink, 1919)

Memoirs of the Department of Agriculture in India Botanical series - Agricultural Research Institute (India) (Published for the Imperial Dept. of Agriculture in India by Thacker, Spink, 1920)

Memorias de la Real Academia de Ciencias y Artes de Barcelona - Real Academia de Ciencias y Artes de Barcelona. (1919)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1887)

Merrimack messenger : Merrimack seeds for 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Merrimack Farmers' Exchange, Inc, 1959)

Merrimack seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Merrimack Farmers' Exchange, Inc, 1958)

The Metaspermae of the Minnesota Valley. A list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

The Metaspermae of the Minnesota Valley : a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 (Geological and Natural History Survey of Minnesota, 1892)

The Metaspermae of the Minnesota valley; a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota river - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

The Metaspermae of the Minnesota Valley; a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

Michelia - Saccardo, P. A. (Pier Andrea), 1845 -1920 (Typis Seminarii, 1879)

Michelia - Saccardo, P. A. (Pier Andrea), 1845 -1920 (Typis Seminarii, 1877)

Michelia - Saccardo, P. A. (Pier Andrea), 1845 -1920 (Typis Seminarii, 1882)

Michelia - Saccardo, P. A. (Pier Andrea), 1845 -1920 (Typis Seminarii, 1881)

Microbial antagonisms and antibiotic substances - Waksman, Selman A. (Selman Abraham), 1888 -1973 (Commonwealth Fund, 1947)

Microbial antagonisms and antibiotic substances - Waksman, Selman A. (Selman Abraham), 1888 -1973 (The Commonwealth Fund, 1945)

The microbiology of the atmosphere - Gregory, Philip Herries. (L. Hill, 1961)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1875)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John Van Voorst, 1856)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1883)

Microorganisms in seed decay - University of Alberta. Faculty of Agriculture. (University of Alberta, 1952)

The microscopist : a manual of microscopy and compendium of the microscopic sciences - Wythe, J. H. (Joseph Henry), 1822 -1901 (Lindsay & Blakiston, 1880)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1882)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1883)

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

Miscellanea mycologica - Saccardo, P. A. (Pier Andrea), 1845 -1920 (1884)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1942)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden])

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1951)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1962)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1969)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1978)

Die Mittel zur Bekämpfung der Pflanzenkrankheiten - Hollrung, M. (Max), 1858 -1937 (P. Parey, 1914)

Mittheilungen der Naturforschenden Gesellschaft in Bern - Naturforschende Gesellschaft in Bern. (Naturforschenden Gesellschaft in Bern], 1863)

Mittheilungen der Naturforschenden Gesellschaft in Bern - Naturforschende Gesellschaft in Bern. (Naturforschenden Gesellschaft in Bern], 1868)

Miyabe-festschrift, or A collection of botanical papers presented to Prof. Dr. Kingo Miyabe on the occasion of the twenty-fifth anniversary of his academic service by his friends and pupils - Miyabe, Kingo, 1860 -1951 (Rokumeikwan, 1911)

Möllers Deutsche Gärtner-Zeitung - Möller, Ludwig. ([Ludwig Möller, 1890)

Monographia uredinearum : seu specierum omnium ad hunc usque diem cognitarum descriptio et adumbratio systematica - Sydow, P. (Paul), 1851 -1925 (Fratres Borntraeger, 1904)

Monthly letter - United States. Bureau of Entomology. (1920)

Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad - Royal Microscopical Society (Great Britain) (R. Hardwicke, 1873)

Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad - Royal Microscopical Society (Great Britain) (R. Hardwicke, 1876)

Moore's rural New-Yorker - Moore, D. D. T. (D.D.T. Moore, 1850)

Morphologie und Physiologie der Pilze, Flechten und Myxomyceten - Bary, A. de (Anton), 1831 -1888 (W. Engelmann, 1866)

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

Moulds, mildews, and mushrooms; a guide to the systematic study of the Fungi and Mycetozoa and their literature - Underwood, Lucien Marcus, 1853 -1907 (H. Holt & co, 1899)

Multiple-pathogen strategy for bioherbicidal control of several weeds - Chandramohan, Sankaranarayanaiyer, 1962 - (1999)

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

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)

Mycographie suisse, ou, Description des champignons qui croissent en Suisse, particulie`rement dans le canton de Vaud, aux environs de Lausanne - Secretan, Louis, 1758 -1839 (Impr. de P.A. Bonnant, 1833)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1913)

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

Mycologia - New York Botanical Garden (New York Botanical Garden, 1916)

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, 1921)

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

Mycologia Fennica - Karsten, P. A. (Petter Adolf), 1834 -1917 (Finska Litteratur-sllskapets Tryckeri, 1871)

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, 1912)

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)

Mycotaxon (Mycotaxon, 2011)

Nachträge zur Flora der deutschen Schutzgebiete in der Südsee : mit Ausschluss Samoa's und der Karolinen - Schumann, K. (Karl) 1851 -1904 (Gebrüder Borntraeger, 1905)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1922)

A national program of research for forage, range and pasture - United States. Department of Agriculture. (The Joint Task Force, 1968)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1902)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1906)

The Natural History of the Scarborough district - Rimington, F. C. (Scarborough Field Naturalists' Society, 1953)

The natural history review - Belfast Natural History; Philosophical Society. (Hodges & Smith, 1861)

The natural history review - Belfast Natural History; Philosophical Society. (Hodges & Smith, 1862)

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, 1889)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1903)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1908)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1931)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1932)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1934)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1946)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1949)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1951)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1953)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1887)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1899)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1874)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1875)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1904)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1911)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1917)

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

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1923)

The nature and properties of soils; a college text of edaphology - Buckman, Harry O., 1883 -1964 (Macmillan, 1922)

The nature and properties of soils; a college text of edaphology - Buckman, Harry O., 1883 -1964 (The Macmillan company, 1922)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1897)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1900)

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, 1891)