Meddelanden från Statens Skogsförsöksanstalt = Mitteilungen aus der Forstlichen Versuchsanstalt Schwedens - Statens Skogsförsöksanstalt (Sweden) (Centraltryckeriet, 1916)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1890)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1887)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1849)

Mémoires - Société entomologique de Belgique. (The Society, 1906)

Memoires de l'Academie (Royale) des Sciences, Inscriptions et Belles-Lettres de Toulouse - Académie des sciences, inscriptions et belles-lettres de Toulouse. (1856)

Memoires de l'Academie (Royale) des Sciences, Inscriptions et Belles-Lettres de Toulouse - Académie des sciences, inscriptions et belles-lettres de Toulouse. (1895)

Memoires de la Société Academique de Maine et Loire - Société Academique de Maine et Loire. (1859)

Memoires de la Société d'Agriculture, Sciences et Arts d'Angers - Société d'Agriculture Sciences et Arts d'Angers. (1885)

Mémoires de la Société d'émulation du Doubs - Société d'émulation du Doubs. ([La Société])

Mémoires de la Société d'émulation du Doubs - Société d'émulation du Doubs. ([La Société], 1880)

Mémoires de la Société d'Histoire Naturelle de Paris - Société d'Histoire Naturelle de Paris (1827)

Mémoires de la Société des Sciences Naturelles de Neuchâtel - Société des sciences naturelles de Neuchâtel (1845)

Mémoires de la Société nationale des sciences naturelles et mathématiques de Cherbourg - Société nationale des sciences naturelles et mathématiques de Cherbourg. (J. B. Baillière, 1891)

Mémoires de la Société royale des sciences de Liège - Société royale des sciences de Liège. (La Société, 1890)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1976)

Memoirs and proceedings of the Manchester Literary & Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1918)

Memoirs of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (The Academy, 1849)

Memoirs of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (The Academy, 1857)

Memoirs of the New York Botanical Garden - New York Botanical Garden (The Garden, 1964)

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

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1890)

Memorias de la Real Academia de Ciencias y Artes de Barcelona - Real Academia de Ciencias y Artes de Barcelona. (1908)

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 Società italiana di scienze naturali (G. Bernardoni, 1867)

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, 1998)

Meyers grosses konversations-lexikon. Ein nachschlagewerk des allgemeinen wissens. 2557142MC - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1902)

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

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

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, 1883)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1892)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1893)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1894)

The miscellaneous botanical works of Robert Brown ... - Brown, Robert, 1773 -1858 (Published for the Ray society by R. Hardwicke, 1866)

The miscellaneous botanical works of Robert Brown - Brown, Robert, 1773 -1858 (Published for the Ray society by R. Hardwicke, 1866)

The miscellaneous botanical works of Robert Brown vol. I, containing I. geographical-botanical, and II. structural and physiological memoirs - Brown, Robert, 1773 -1858 (Published for the Ray Society by R. Hardwicke, 1866)

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, 1911)

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

Mitteilungen der Münchner Entomologischen Gesellschaft - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1939)

Mitteilungen der Schweizerischen Entomologischen Gesellschaft = Bulletin de la Société entomologique suisse - Schweizerische Naturforschende Gesellschaft. (Schweizerische Entomologische Gesellschaft, 1866)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1900)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1917)

Mittheilungen des Münchener Entomologischen Vereins - Münchener Entomologischer Verein. (T. Ackermann, 1880)

Mittheilungen über neue und kritische Formen der Bündner- und Nachbar-Floren - Brügger, Chr. Gr. (Christian Gregor), 1833 -1899 (Brügger, 1886)

Le Monde des plantes - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1894)

A monograph of the British Uredineae and Ustilagineae, with an account of their biology including the methods of observing the germination of their spores and of their experimental culture - Plowright, Charles B. (Charles Bagge), 1849 -1910 (Paul, Trench & Co, 1889)

A monograph of the British Uredineae and Ustilagineae, with an account of their biology including the methods of observing the germination of their spores and of their experimental culture - Plowright, Charles B. (Charles Bagge), 1849 -1910 (K. Paul, Trench, 1889)

A monograph of the British Uredineæ and Ustilagineæ, with an account of their biology including the methods of observing the germination of their spores and of their experimental culture - Plowright, Charles B. (Charles Bagge), 1849 -1910 (K. Paul, Trench, 1889)

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, 1914)

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

Nachträge zur Flora von Nieder-Oesterreich - Neilreich, August, 1803 -1871 (K.K. Zoologisch-botanische Gesellschaft, 1866)

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

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)

A natural history of British moths : accurately delineating every known species, with the English as well as scientific names, accompanied by full descriptions, date of appearance, lists of the localities they haunt, their food in the caterpillar state, and other features of their habits and modes of existence, etc., etc - Morris, F. O. (Francis Orpen), 1810 -1893 (George Bell and Sons, 1872)

A natural history of British moths ... - Morris, F. O. (Francis Orpen), 1810 -1893 (H. E. Knox, 1871)

The natural history of Dee Side and Braemar - Lankester, Edwin, 1814 -1874 ([Printed for private circulation by Bradbury and Evans], 1855)

Natural history of New York (D. Appleton, 1842)

Natural history of New York - Hall, James, 1811 -1898 (D. Appleton & co. and Wiley & Putnam, 1843)

A natural history of the British butterflies ; their world-wide variation and geographical distribution. A text-book for students and collectors - Tutt, James William, 1858 -1911 (E. Stock, 1900)

A natural history of the British Lepidoptera : a text-book for students and collectors - Tutt, James William, 1858 -1911 (S. Sonnenschein, 1899)

A natural history of the British Lepidoptera : a text-book for students and collectors - Tutt, James William, 1858 -1911 (S. Sonnenschein, 1905)

The Natural History of the Scarborough district - Rimington, F. C. (Scarborough Field Naturalists' Society, 1956)

The natural history of the Tineina ... - Stainton, H. T, (Henry Tibbats) 1822 -1892 (J. Van Voorst; [etc.,etc.], 1855)

The natural history of the Tineina ... - Stainton, H. T, (Henry Tibbats) 1822 -1892 (J. Van Voorst; [etc.,etc.], 1859)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1864)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1878)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1886)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1888)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1890)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1891)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1892)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1895)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1898)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1899)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1900)

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

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1915)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1919)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1922)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1929)

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

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1936)

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