Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1961)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1963)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1952)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1955)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1962)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1972)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1980)

Mémoires présentés à l'Académie impériale des Sciences de St. Petersbourg par divers Savans et dans ses assemblées - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1849)

Mémoires présentés à l'Académie impériale des Sciences de St. Petersbourg par divers Savans et dans ses assemblées - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (1858)

Memoirs - Brooklyn Botanic Garden. (The Garden, 1918)

Memoirs, historical and illustrative, of the Botanic Garden at Chelsea belonging to the Society of Apothecaries of London ... with illustrations, plans of the garden, and a catalogue of the plants, arranged according to the natural system - Royal College of Physicians of London. (Printed by Gilbert and Rivington, St. John's Square, Clerkenwell, 1878)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1946)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1893)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1900)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1902)

Memoirs of the Wernerian Natural History Society - Wernerian Natural History Society. ([The Society], 1832)

Memorias da Academia Real das Sciencias de Lisboa - Academia Real das Sciencias de Lisboa. (Academia Real das Sciencias de Lisboa, 1797)

Memorias de la Real Academia de Ciencias y Artes de Barcelona - Real Academia de Ciencias y Artes de Barcelona. (1892)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1903)

Memorias Economicas da Academia Real das Sciencias de Lisboa - Academia Real das Sciencias de Lisboa. (1789)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1863)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1864)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1884)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1848)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1905)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1906)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1912)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1914)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1916)

Memorie della Società italiana di scienze naturali e del Museo civico di storia naturale di Milano - Museo civico di storia naturale di Milano. (La Società, 1996)

Memorie di matematica e di fisica della Societ`a italiana delle Scienze - Società Italiana delle Scienze. (Società Italiana delle Scienze, 1823)

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)

Methodus foliorum, seu plantae florae Monspeliensis, juxta foliorum ordinem, ad juvandam specierum cognitionem, digestae ... Methode pour connoître les plantes par les feüilles - Boissier de la Croix de Sauvages, François, 1706 -1767 (1751)

Methodus plantarum nova : brevitatis & perspicuitatis causa synoptice in tabulis exhibita, cum notis generum tum summorum tum subalternorum characteristicis, observationibus nonnullis de seminibus plantarum & indice copioso - Ray, John, 1627 -1705 (impensis Henrici Faithorne & Joannis Kersey, ad insigne Rofæ Coemeterio D. Pauli, 1682)

Methodus plantas horti botanici et agri Marburgensis :a staminum situ describendi - Moench, Conrad, 1744 -1805 (in officina nova libraria academiae, 1794)

Meyers Konversations-Lexikon : ein Nachschlagewerk des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1896)

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (1885)

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Verlag des Bibliographischen Instituts, 1890)

[M.H. Harman Company materials] - M.H. Harman Company. (M.H. Harman Company, 1908)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1986)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1989)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1992)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2002)

Michigan flora : a list of the fern and seed plants growing without cultivation - Beal, W. J. (William James), 1833 -1924 (Robert Smith, 1904)

Michigan flora : a list of the fern and seed plants growing without cultivation - Beal, W. J. (William James), 1833 -1924 (State Board of Agriculture, 1904)

Michigan flora. Prepared for the thirtieth annual report of the Secretary of the State Board of Agriculture - Michigan. State Board of Agriculture. (R. Smith & co., printers, 1892)

Micro-fungi : when and where to find them - Brittain, Thomas, 1806 -1884 (A. Heywood & Son, 1882)

Micro-Lepidoptera - Walsingham, Thomas de Grey,‏ ‎ Lord, 1843 -1919 (1881)

Microfungi parasitic on vascular plants in Waterton Lakes National Park, Alberta, and environs - Parmelee, John A. (Agriculture Canada, Research Branch, 1984)

Microscopic objects, animal, vegetable and mineral; with instructions for preparing and viewing them - Pritchard, Andrew, 1804 -1882 (Whittaker, 1847)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1879)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1880)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1881)

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)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1889)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1891)

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

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

Das Mikroskop; ein Mittel der Belehrung und Unterhaltung für Jedermann sowie des Gewinns für Biese - Vogel, Julius, 1814 -1880 (L. Denicke, 1867)

Die mikroskopischen Pilze - Lindau, Gustav, 1866 -1923 (J. Springer, 1922)

Mildews, rusts, and smuts. A synopsis of the families, Peronosporaceae, Erysiphaceae, Uredinaceae and Ustilaginaceae - Massee, George, 1850 -1917 (Dulau and Company, 1913)

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

Miramichi wild flowers - Mackenzie, R. (Roderick), 1849 -1906 (J. Lovell, 1887)

[Miscellaneous papers] - Trautvetter, Ernst Rudolph von, 1809 -1889 (1857)

Miscellaneous studies in agriculture and biology - University of California (1868-1952) (University of California Press, 1919)

Miscellaneous tracts relating to natural history, husbandry, and physick : to which is added, The calendar of flora - Stillingfleet, Benjamin, 1702 -1771 (Printed: and sold by R. and J. Dodsley ... ; S. Baker ... ; and T. Payne, 1762)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1922)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1925)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1987)

Mitteilungen aus dem Botanischen Museum der Universität Zürich - Universität Zürich. Botanisches Museum. (Botanisches Museum der Universität Zürich], 1912)

Mitteilungen aus dem Botanischen Museum der Universität Zürich - Universität Zürich. Botanisches Museum. (Botanisches Museum der Universität Zürich], 1914)

Mitteilungen aus dem Botanischen Museum der Universität Zürich - Universität Zürich. Botanisches Museum. (Botanisches Museum der Universität Zürich], 1920)

Mitteilungen aus der Entomologischen Gesellschaft zu Halle a. S - Entomologische Gesellschaft zu Halle a. S. (Quelle & Meyer, 1916)

Mitteilungen der Bayerischen Botanischen Gesellschaft zur Erforschung der Heimischen Flora (E.V.) - Bayerische Botanische Gesellschaft zur Erforschung der Heimischen Flora. (Selbstverlag der Gesellschaft, 1906)

Mitteilungen der Bayerischen Botanischen Gesellschaft zur Erforschung der Heimischen Flora (E.V.) - Bayerische Botanische Gesellschaft zur Erforschung der Heimischen Flora. (Selbstverlag der Gesellschaft, 1913)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1977)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1902)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1909)