London Naturalist - London Natural History Society. (London Natural History Society, 1973)

London Naturalist - London Natural History Society. (London Natural History Society, 1986)

London Naturalist - London Natural History Society. (London Natural History Society, 1990)

London Naturalist - London Natural History Society. (London Natural History Society, 1994)

London Naturalist - London Natural History Society. (London Natural History Society, 1999)

London Naturalist - London Natural History Society. (London Natural History Society, 2001)

London Naturalist - London Natural History Society. (London Natural History Society, 2003)

Long Island Botanical Society newsletter - Long Island Botanical Society. (Long Island Botanical Society, 2012)

Long-term evaluation of the effects of Bacillus thuringiensis kurstaki, gypsy moth nucleopolyhedrosis virus product Gypchek, and Entomophaga maimaiga on nontarget organisms in mixed broadleaf-pine forests in the central Appalachians - Butler, Linda, 1943 - (U.S. Dept. of Agriculture, Forest Service, FHTET, 2004)

The long-tongued Cretaceous scorpionfly Parapolycentropus Grimaldi and Rasnitsyn (Mecoptera, Pseudopolycentropodidae) : new data and interpretations - Grimaldi, David A. (American Museum of Natural History, 2014)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2010)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1845)

The Magazine of natural history / conducted by Edward Charlesworth - Charlesworth, Edward. (s.n.], 1838)

The Magazine of natural history / conducted by Edward Charlesworth - Charlesworth, Edward. (s.n.], 1839)

The Magazine of natural history / conducted by Edward Charlesworth - Charlesworth, Edward. (s.n.], 1840)

Magazine of zoology and botany - Westwood, J. O. (John Obadiah), 1805 -1893 (1837)

Magner's standard horse and stock book; a complete pictorial encyclopedia of practical reference for horse and stock owners ... - Magner, D. (Dennis), 1833 - (Saalfield Publishing Co, 1903)

Malacologia - Institute of Malacology. (Institute of Malacology], 1985)

Malacologia - Institute of Malacology. (Institute of Malacology], 2004)

Malacologia - Institute of Malacology. (Institute of Malacology], 2015)

Malaysian parasites - Audy, J. Ralph. ([Institute for Medical Research], 1954)

Malesia; raccolta di osservazioni botaniche intorno alle piante dell'arcipelago Indo-Malese e Papuano pubblicata da Odoardo Beccari, destinata principalmente a descrivere ed illustrare le piante da esso raccolte in quelle regioni durante i viaggi eseguiti dall'anno 1865 all'anno 1878 ... - Beccari, Odoardo, 1843 -1920 (Tip. del R. Instituto sordo-muti, 1884)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 2006)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1889)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1899)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1911)

Mammal study - Nihon Honyurui Gakkai (Mammalogical Society of Japan, 1997)

Management of balsam twig aphids in Christmas trees - Connecticut Agricultural Experiment Station. (Connecticut Agricultural Experiment Station, 2003)

Mantis Study Group newsletter - Mantis Study Group. (Mantis Study Group, 2000)

Mantis Study Group newsletter - Mantis Study Group. (Mantis Study Group, 2002)

Manual and record designed for the use of farmers - Farrar, W. M., co. (W. M. Farrar co, 1890)

A manual of British Coleoptera, or beetles : containing a brief description of all the species of beetles hitherto ascertained to inhabit Great Britain and Ireland together wth a notice of their chief localities, times and places of appearances, etc - Stephens, James Francis, 1792 -1853 (Longman, Orme, Brown, Green, and Longmans, 1839)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1882)

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

Manual of entomology : with special reference to economic entomology - Maxwell-Lefroy, H. (Harold), 1877 -1925 (Longmans, Green & Co, 1923)

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 - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall, Hamilton, Kent, 1890)

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 scientific terms, pronouncing, etymological, and explanatory, chiefly comprising terms in botany, natural history, anatomy, medicine, and veterinary science, with an appendix of specific names. Designed for the use of junior medical students, and others studying one or other of these sciences - Stormonth, James, 1824 -1882 (Maclachlan and Stewart, 1885)

A manual of the elements of natural history - Blumenbach, Johann Friedrich, 1752 -1840 (printed for W. Simpkin & R. Marshall, 1825)

A manual of the infusoria, including a description of all known flagellate, ciliate, and tentaculiferous protozoa, British and foreign and an account of the organization and affinities of the sponges - Saville-Kent, William 1845 -1908 (David Bogue, 1881)

A manual of the Infusoria : including a description of all known flagellate, ciliate, and tentaculiferous protozoa, British and foreign, and an account of the organization and the affinities of the sponges - Saville-Kent, William 1845 -1908 (D. Bogue, 1880)

Manual of the natural history, geology, and physics of Greenland, and the neighboring regions : prepared for the use of the Arctic Expedition of 1875, under the direction of the Arctic Committee of the Royal Society, for the use of the expedition ; published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (H.M. Stationery Off., printed by G.E. Eyre and W. Spottiswoode, 1875)

Manual of the natural history, geology and physics of Greenland and the neighbouring regions / prepared for the use of the Arctic expedition of 1875, under the direction of the Arctic Committee of the Royal Society and edited by T. Rupert Jones. Together with Instructions suggested by the Arctic Committee of the Royal Society for the use of the expedition / published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (Printed for H.M.S.O, 1875)

Manual of the New Zealand flora - Cheeseman, T. F. (Thomas Frederick), 1846 -1923 (Govt. Printer, 1925)

A manual of veterinary hygiene - Smith, Frederick, 1857 -1929 (W. R. Jenkins, 1911)

A manual of zoology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1870)

A manual of zoology for the use of students ... , with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1873)

A manual of zoology for the use of students : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood, 1870)

A manual of zoology for the use of students : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (D. Appleton, 1877)

A manual of zoology for the use of students : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (William Blackwood, 1878)

A manual of zoology for the use of students - Nicholson, Henry Alleyne, 1844 -1899 (R. Hardwicke, 1870)

A manual of zoology for the use of students : with a general introd. on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (William Blackwood 8 Sons, 1887)

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

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

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)

Marquesan insects (The Museum, 1935)

Marquesan insects (The Museum, 1939)

Marwe coarctata : a remarkable new cyphophthalmid from a limestone cave in Kenya (Arachnida, Opiliones) - Shear, William A. (American Museum of Natural History)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 1987)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 1989)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2003)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2011)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2012)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2013)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2019)

Materia medica Americana potissimum regni vegetabilis - Lloyd, C. G. (Curtis Gates), 1859 -1926 ([s.n.], 1903)

McClure's American horse, cattle and sheep doctor - McClure, Robert. (F. J. Drake & company, 1917)

McClure's American horse, cattle and sheep doctor - McClure, Robert. (The Henneberry company, 1901)

McClure's American horse, cattle and sheep doctor; being a full description of the diseases common to these animals, together with a complete list and method of administering the medicines required in their treatment - McClure, Robert. (F. J. Drake & Company, 1917)

Mémoires de l'Académie impériale des sciences de St. Pétersbourg. 5e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Académie impériale des sciences, 1812)