A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Publishing Company, 1916)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Publishing Company, 1904)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (The Comstock Pub. Co., 1920, 1920)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Pub. Co, 1895)

A manual of injurious insects : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : and with short introduction to entomology - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (W.S. Sonnenschein & Allen, 1881)

A manual of injurious insects with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit, and with short introduction to entomology - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (W. S. Sonnenschein & Allen; [etc.,etc, 1881)

A manual of injurious insects with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall, Hamilton, Kent, 1890)

Manual of plant diseases - Lindau, Gustav, 1866 -1923 (The Record press, 1914)

Manual of plant diseases - Lindau, Gustav, 1866 -1923 (The Record Press, 1914)

A manual of the common invertebrate animals, exclusive of insects - Pratt, Henry Sherring, 1859 - (A.C. McClurg & co, 1916)

A manual of the common invertebrate animals, exclusive of insects - Pratt, Henry Sherring, 1859 - (A.C. McClurg & Co, 1923)

Manual of tree diseases - Rankin, William Howard, 1888 - (The Macmillan Company, 1918)

Manual of vegetable-garden insects - Leonard, Mortimer Demarest, 1890 - (The Macmillan company, 1918)

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (H. Lamertin, 1895)

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (Lamertin, 1895)

Manuel de paléontologie - Hoernes, Rudolf, 1850 -1912 (Savy, 1886)

Marcellia - Institut de botanique de Strasbourg. (Pergamon Press [etc.], 1902)

Marcellia - Institut de botanique de Strasbourg. (Pergamon Press [etc.], 1905)

Marcellia - Institut de botanique de Strasbourg. (Pergamon Press [etc.], 1908)

Marcellia - Institut de botanique de Strasbourg. (Pergamon Press [etc.], 1911)

Mathematische und naturwissenschaftliche Berichte aus Ungarn - Magyar Tudományos Akadémia. (R. Friedländer & Sohn [etc.], 1892)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1876)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1904)

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

Meddelelser fra den Botaniske forening i Kjøbenhavn = Bulletins de la Société botanique de Copenhague - Kiaerskou, Hjalmar, 1835 -1900 (H. Hagerup, 1887)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1893)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1895)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1918)

Mededeelingen van de Rijks Hoogere Land-, Tuin- en Boschbouwschool en van de daaraan verbonden instituten - Rijks Hoogere Land-, Tuin, en Boschbouwschool. (H. Veenman, 1908)

Mededeelingen van het Laboratorium voor Plantenziekten - Laboratorium voor Plantenziekten. (Drukkerij van het Departement, 1914)

Memoires de la Société de physique et d'histoire naturelle de Genève - Société de physique et d'histoire naturelle de Genève. (Georg [etc.], 1884)

Memoirs of the Royal Caledonian Horticultural Society - Wilson, John H. (Royal Caledonian Horticultural Society, 1905)

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

Memorial of life and entomologic work of Joseph Albert Lintner ... state entomologist, 1874-98 - Felt, Ephraim Porter, 1868 -1943 (University of the State of New York, 1899)

Memorial of life and entomologic work of Joseph Albert Lintner, state entomologist, 1874-98 - Felt, Ephraim Porter, 1868 -1943 (University of the State of New York, 1899)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1893)

Memories of the months. Fifth series - Maxwell, Herbert, Sir, 1845 -1937 (E. Arnold, 1909)

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)

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 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)

Mind in nature; or The origin of life, and the mode of development of animals - Clark, Henry James, 1826 -1873 (Appleton, 1865)