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, 1918)

Memoria sobre una enfermedad del cafeto en la provincia de Río de Janeiro, Brasil - Goeldi, Emílio Augusto, 1859 -1917 (Oficina Tip. de la Secretaría de Fomento, 1894)

Memorias - Academia Nacional de Ciencias Antonio Alzate, Mexico

Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1909)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1877)

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, 1818)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1854)

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

Memorie della Società italiana di scienze naturali (G. Bernardoni, 1865)

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

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

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

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)

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

Micro-organisms and fermentation - Jörgensen, Alfred, 1848 -1925 (Griffin, 1911)

Micro-organisms, with special reference to the etiology of the infective diseases - Cheyne, William Watson, Sir, 1852 -1932 (New Sydenham Society, 1890)

Micro-organisms with special reference to the etiology of the infective diseases - Cheyne, William Watson, Sir, 1852 -1932 (The New Sydenham society, 1890)

Microbes, ferments and moulds - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (Kegan, Paul, Trench, 1886)

Microbes, ferments and moulds - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (D. Appleton and Co, 1886)

Microbes, ferments and moulds - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (Appleton, 1890)

Microbes, ferments and moulds - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (Kegan Paul, Trench, 1889)

Microbes, ferments and moulds - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (D. Appleton, 1892)

Microbes, ferments and moulds - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (D. Appleton and co, 1886)

Les microbes, les ferments et les moisissures - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (F. Alcan, 1886)

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

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

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)