Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1927)

Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata - Hyatt, Alpheus, 1838 -1902 (Published by the Author, 1885)

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 (Ivison & Phinney, 1859)

Manual of the botany of the northern United States - Gray, Asa, 1810 -1888 (Ivison, Phinney, & co, 1862)

Manual of the botany of the northern United States : including Virginia, Kentucky, and all east of the Mississippi arranged according to the natural system - Gray, Asa, 1810 -1888 (Ivison & Phinney, 1859)

Manual of the botany of the northern United States : including Virginia, Kentucky, and all east of the Mississippi - Gray, Asa, 1810 -1888 (Ivison, Phinney, 1863)

A manual of the Coniferae, containing a general review of the order; a synopsis of the hardy kinds cultivated in Great Britain; their place and use in horticulture, etc., etc. With numerous woodcuts and illustrations - Veitch (James) & Sons. (1881)

Manual of the grasses of the United States - Hitchcock, A. S. (Albert Spear), 1865 -1935 (1935)

Manual of the grasses of the United States - Hitchcock, A. S. (Albert Spear), 1865 -1935 (U.S. G.P.O, 1935)

Manual of the grasses of the United States - Chase, Agnes, 1869 -1963 (U.S. Dept. of Agriculture, 1951)

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 (D. Bogue, 1880)

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)

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)

Manual of the New Zealand Mollusca. A systematic and descriptive catalogue of the marine and land shells, and of the soft mollusks and Polyzoa of New Zealand and the adjacent islands - Hutton, Frederick Wollaston, 1836 -1905 (Printed at the office of J. Hughes, 1880)

Manual of the New Zealand mollusca - Suter, Henry 1841 -1918 (J. Mackay, govt. printer, 1913)

Manuel de conchyliologie et de paleontologie conchyliologique : ou, Histoire naturelle des mollusques vivants et fossiles - Fischer, Paul, 1835 -1893 (F. Savy, 1887)

Manuel de conchyliologie et paléontologie conchlyliologique - Chenu, Jean-Charles, 1808 -1879 (Victor Masson, 1859)

Manuel de conchyliologie et paléontologie conchlyliologique - Chenu, Jean-Charles, 1808 -1879 (V. Masson, 1859)

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)

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

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

The Market Gardeners' Seed Co.'s 1925 seed annual : Ver-e-best seeds, plants, bulbs, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Market Gardeners' Seed Co, 1925)

The Market Gardeners' Seed Co.'s 1926 seed annual : Ver-e-best seeds, plants, bulbs, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Market Gardeners' Seed Co, 1926)

The Market Gardeners' Seed Co.'s seed annual : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Market Gardeners' Seed Co, 1923)

The Market Gardeners' Seed Co.'s seed annual : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Market Gardeners' Seed Co, 1924)

Materiali per una malacostatica di terra e di acqua dolce dell'Argentinia meridionale - Strobel, Pellegrino, 1821 -1895 (Biblioteca malacologica, 1874)

Materialien zur Fauna der Philippinen. XI, Die Insel Leyte - Möllendorff, Otto Franz von, 1848 -1903 (Druck von Gebr. Knauer, 1893)

Materialien zur Naturgeschichte der Insel Celebes - Sarasin, Fritz, 1859 -1942 (C.W. Kreidel's Verlag, 1899)

Materialien zur Naturgeschichte der Insel Celebes - Sarasin, Fritz, 1859 -1942 (C.W. Kreidel's Verlag, 1898)

Materialien zur Naturgeschichte der Insel Celebes - Sarasin, Fritz, 1859 -1942 (C.W. Kreidel's Verlag, 1901)

Materials for a flora of the Malayan peninsula - Ridley, H. N. (Henry Nicholas), 1855 -1956 (Printed at the Methodist publishing house, 1907)

Matériaux pour servir à l'étude de la faune malacologique terrestre et fluviatile de l'Italie et de ses îles - Paulucci, M. (Librairie F. Savy, 1878)

Matériaux pour une faune malacologique des Iles Canaries - Mabille, Jules, 1831 -1904 (Museum d'histoire naturelle, 1884)

McDonnell's home planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McDonnell Nursery, 1956)

Mémoires de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Impr. de l'Universitmpale, 1817)

Mémoires de la Société linnéenne du Calvados - Société Linneenne du Calvados. (Chez Chalopin Fils, 1825)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1892)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1888)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1907)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1909)

Mémoires sur la famille des fougères - Fée, Antoine Laurent Apollinaire, 1789 -1874 (Impr. de Ve. Berger-Levrault, 1866)

Medicinal uses of plants by Indian tribes of Nevada. Part I, (pages 1-61) - Archer, W. Andrew (William Andrew), 1894 -1973 (Division of Plant Exploration and Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1941)

Měkkýši čeští - Uličný, Josef. (F. Šimáčka, 1893)

Měkkýši čeští - Uličný, Josef. (F. Šimáčka, 1895)

The Australian Museum Memoir (Australian Museum, 1889)

The Australian Museum Memoir (Australian Museum, 1896)

The Australian Museum Memoir (Australian Museum, 1911)

A memoir on the Palaeozoic reticulate sponges constituting the family Dictyospongidae - Hall, James, 1811 -1898 (Wynkoop Hallenbeck Crawford Co, 1898)

Mémoires couronnés et mémoires des savants étrangers / publiés par l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1843)

Memoires de l'Academie des Sciences (Agriculture, Commerce), Belles-Lettres et des Arts d'Amiens - Académie d'Amiens (1835)

Mémoires de l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1850)

Mémoires de l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1900)

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

Mémoires de la Société d'Histoire Naturelle de Paris - Société d'Histoire Naturelle de Paris (1823)

Mémoires de la Société géologique de France - Société géologique de France. (F.-G. Levrault, 1851)

Mémoires de la Société linnéenne du Calvados - Société Linneenne du Calvados. (Chalopin fils, imprimeur de La Société, 1825)

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Mémoires du docteur Antommarchi, ou Les derniers momens de Napoléon - Antommarchi, Francesco, 1780 -1838 (Barrois l'aîné, 1825)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 2000)

Memoirs - Brooklyn Botanic Garden. (The Garden, 1918)

Memoirs of the Asiatic Society of Bengal - Asiatic Society of Bengal (The Asiatic Society, 1907)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 2005)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 2018)

Memorias de la Real Academia de Ciencias Exactas, Fisicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Impr. Aguado, 1890)

Memorias de la Real Academia de Ciencias Exactas, Fisicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Impr. Aguado, 1891)