Memorie di matematica e di fisica della Societ`a italiana delle Scienze - Società Italiana delle Scienze. (Società Italiana delle Scienze, 1829)

Memories of the months. Fourth series - Maxwell, Herbert, Sir, 1845 -1937 (E. Arnold, 1907)

El Mercurio Chileno (1828)

El Mercurio Chileno (1829)

Methods in plant histology - Chamberlain, Charles Joseph, 1863 -1943 (The University of Chicago press, 1924)

Methods in plant histology - Chamberlain, Charles Joseph, 1863 -1943 (The University of Chicago Press, 1915)

Methods in plant histology - Chamberlain, Charles Joseph, 1863 -1943 (University of Chicago Press, 1932)

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 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 (Verlag des Bibliographischen Instituts, 1890)

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

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

Michelia - Saccardo, P. A. (Pier Andrea), 1845 -1920 (Typis Seminarii, 1880)

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

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1963)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1964)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1972)

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

Micro-organisms : what they are, where they grow, what they do - United States. Agricultural Research Service. (Agricultural Research Service, U.S. Dept. of Agriculture, 1964)

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 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, 1860)

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 - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1883)

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 microscope - Hogg, Jabez, 1817 -1899 (1869)

The microscope and its application to vegetable anatomy and physiology - Currey, Frederick, 1819 -1881 (S. Highley, 1855)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (Blakiston, 1891)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (J. & A. Churchill, 1901)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (P. Blackiston's Sons and Co, 1901)

The microscope : its history, construction, and application - Hogg, Jabez, 1817 -1899 (G. Routledge, 1867)

The microscope; its history, construction and application - Hogg, Jabez, 1817 -1899 (Routledge, 1867)

The microscope : its history, construction, and application, being a familiar introduction to the use of the instrument, and the study of microscopial science - Hogg, Jabez, 1817 -1899 (George Routledge, 1867)

The microscope : its history, construction, and application, being a familiar introduction to the use of the instrument and the study of microscopical science - Hogg, Jabez, 1817 -1899 (G. Routledge and Sons, 1871)

The microscope: its history, construction, and application being a familiar introduction to the use of the instrument and the study of microscopical sciences - Hogg, Jabez, 1817 -1899 (George Routledge and Sons, 1869)

The microscope, : its history, construction, and applications: being a familiar introduction to the use of the instrument, and the study of microsopical science - Hogg, Jabez, 1817 -1899 (G. Routledge, 1887)

Le microscope son emploi et ses applications ... - Pelletan, Jules, 1833 -1892 (G. Masson, 1876)

The microscopic miscellany; being selections from the Microscopic journal, containing the most recent facts, and important discoveries in human and comparative anatomy, zoology, botany, etc. developed by British and foreign microscopical observers - Cooper, D. (Daniel) (1847)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1878)

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, 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, 1884)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1885)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1886)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1888)

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)

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

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

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

Die Mikroorganismen : mit besonderer Berücksichtigung der Ätiologie der Infektionskrankheiten - Royal College of Physicians of London. (Verlag von F. C. W. Vogel, 1886)