A Manual of entomology - Shuckard, William Edward, 1802 -1868 (E. Churchton, 1836)

A manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1907)

Manual of geology, treating of the principles of the science with special reference to American geological history - Dana, James Dwight, 1813 -1895 (Ivison, Blakeman, Taylor and Co, 1874)

A manual of natural history, for the use of travellers : being a description of the families of the animal and vegetable kingdoms: with remarks on the practical study of geology and meteorology. To which are appended directions for collecting and preserving - Adams, Arthur, 1820 -1878 (J. Van Voorst, 1854)

A manual of natural history, for the use of travellers : being a description of the families of the animal and vegetable kindgoms: with remarkable on the practical study of geology and meteorology. To which are appended directions for collecting and preserving - Adams, Arthur, 1820 -1878 (J. Van Voorst, 1854)

A manual of poisonous plants : chiefly of eastern North America : with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (Torch Press, 1911)

A manual of poisonous plants : chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (Torch Press, 1910)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1910)

A manual of poisonous plants : chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1911)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch Press, 1911)

A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations - Pammel, L. H. (Louis Hermann), 1862 -1931 (The Torch press, 1911)

Manual of tropical medicine - Chalmers, Albert John, 1870 -1920 (Baillière, Tindall and Cox, 1919)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt and Company, 1902)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1912)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1909)

Mark anniversary volume ; to Edward Laurens Mark, Hersey professor of anatomy and director of the zoölogical laboratory at Harvard university, in celebration of twenty-five years of successful work for the advancement of zoölogy, from his former students, 1877-1902 - Parker, George Howard, 1864 -1955 (H. Holt and company, 1903)

Marquesan insects (The Museum, 1935)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2020)

Massachusetts crop report - Massachusetts. State Board of Agriculture. ([Massachusetts State Board of Agriculture], 1894)

Materica medica of India and their therapeutics - Katrak, Nanabhai Navrosji. (Printed at the "Times of India" Press, 1903)

Métamorphoses mœurs et instincts des insectes (insectes, myriapodes, arachnides, crustacés) - Blanchard, Emile, 1819 -1900 (G. Baillière, 1868)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica (Societas, 1888)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1920)

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

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1911)

Medical bacteriology - Roddy, John Augustus, 1884 - (P. Blakiston's Son, 1917)

Medical bacteriology - Roddy, John Augustus, 1884 - (P. Blakiston's son, 1917)

Medical mycology; fungous diseases of men and other mammals - Dodge, Carroll W. (Carroll William), 1895 -1988 (The C.V. Mosby company, 1935)

The medicinal plants of the Philippines - Pardo de Tavera, T. H. (Trinidad Hermenegildo), 1857 -1925 (P. Blakiston's son & co, 1901)

The medicinal plants of the PHilippines, by T. H. Pardo de Tavera ... tr. and rev. by Jerome B. Thomas, jr - Pardo de Tavera, T. H. (Trinidad Hermenegildo), 1857 -1925 (P. Blakiston's son & co, 1901)

Memoir - Cornell University. Agricultural Experiment Station. (1923)

Memoires de l'Academie des Sciences, Agriculture, Arts et Belles-Lettres (Aix) - Académie des sciences, agriculture, arts & belles-lettres dAix (1840)

Memoires de l'Academie des Sciences, Agriculture, Arts et Belles-Lettres (Aix) - Académie des sciences, agriculture, arts & belles-lettres dAix (1844)

Mémoires de l'Académie des sciences, belles-lettres & arts de Lyon. Classe des sciences - Académie des sciences, belles-lettres et arts de Lyon. (J.B. Baillière, 1883)

Mémoires de l'Académie Impériale des Sciences, Littérature et Beaux-Arts de Turin : Littérature et Beaux-Arts - Reale accademia delle scienze di Torino (Imprimerie de l'Académie Impériale des Sciences, 1809)

Mémoires de l'Académie (royale) des sciences de l'Institut (imperial) de France - Académie royale des sciences (France) (1860)

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