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)

Magyarország madarai különös tekintettel gazdasági jelentöségökre. Irta Chernelházi Chernel István. Képekkel ellátta Nécsey István. Intézte Herman Ottó - Herman, Ottó, 1835 -1914 (1899)

The Malay archipelago : the land of the Orang-Utan, and the bird of paradise : a narrative of travel, with studies of man and nature - Wallace, Alfred Russel, 1823 -1913 (Macmillan and Co, 1869)

The Malay archipelago : the land of the orang-utan and the bird of paradise : a narrative of travel, with studies of man and nature - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1890)

The Malay Archipelago : the land of the orang-utan and the bird of paradise : a narrative of travel, with studies of man and nature - Wallace, Alfred Russel, 1823 -1913 (Macmillan and Co, 1869)

The Malay Archipelago : the land of the orang-utan and the bird of paradise ; a narrative of travel, with studies of man and nature - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1886)

The Malay Archipelago, the land of the orang-utan and the bird of paradise : a narrative of travel, with studies of man and nature - Wallace, Alfred Russel, 1823 -1913 (MacMillan, 1874)

The Malay Archipelago: the land of the orang-utan, and the bird of paradise - Wallace, Alfred Russel, 1823 -1913 (Harper & Brothers, 1869)

Der Malayische Archipel. Die Heimath des Orang-Utan und des Paradiesvogels. Reiseerlebnisse und Studien über Land und Leute - Wallace, Alfred Russel, 1823 -1913 (Westermann, 1869)

Mantissa insectorum, exhibens species nuper in Etruria - Rossi, Pietro, fl 1790 - (Ex typ. Polloni, 1792)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Publishing Company, 1897)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock publishing company, inc, 1938)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock, 1923)

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

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Pub. Co, 1897)

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 (Comstock Publishing Company, 1916)

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 for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Pub. Co, 1930)

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)

A manual of comparative anatomy - Blumenbach, Johann Friedrich, 1752 -1840 (Printed for W. Simpkin and R. Marshall, 1827)

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

A manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1895)

A manual of marine zoology for the British Isles - Gosse, Philip Henry, 1810 -1888 (J. Van Voorst, 1855)

Manual of Natural History - Boucard, Adolphe, 1839 -1905 (1876)

Manual of North American Diptera - Williston, Samuel W. (Samuel Wendell), 1851 -1918 (J.T. Hathaway, 1908)

Manual of North American Diptera - Williston, Samuel W. (Samuel Wendell), 1851 -1918 (J. T. Hathaway, 1908)

A manual of palaeontology for the use of students with a general introduction on the principles of palaeontology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1889)

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

Manual of the New Zealand Coleoptera - Broun, Thomas. 1838 -1919 (1880)

Manual of the New Zealand Coleoptera - New Zealand Institute. (Printed at the Office of James Hughes, Lambton Quay, 1880)

Manual of the New Zealand Coleoptera - Broun, Thomas. 1838 -1919 (1881)

Manual of the New Zealand Coleoptera - Broun, Thomas. 1838 -1919 (1886)

Manual of the New Zealand Coleoptera - Broun, Thomas. 1838 -1919 (1893)

Manuel d'entomologie, ou histoire naturelle des insectes : contenant la synonymie et la description de la plus grande partie des espèces d'Europe et des espèces exotiques les plus remarquables - Boitard, Pierre, 1789 -1859 (Roret, 1828)

Manuel d'histoire naturelle - Blumenbach, Johann Friedrich, 1752 -1840 (Chez Collignon, imprimeur-libraire, 1803)

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

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (H. Lamertin, 1900)

Manuel entomologique. Genera des coléoptères d'Europe - Jacquelin Du Val, Pierre Nicolas Camille, 1828 -1862 (A. Deyrolle, 1857)

El mar : acuario del mundo - Rioja Lo Bianco, Enrique 1895 - (Seneca, 1941)

March winds and April showers: being notes and notions on a few created things - Budgen, L. M. (L. Reeve, 1854)

Marvels of insect life ; a popular account of structure and habit - Step, Edward, 1855 -1931 (R. M. McBride, 1916)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 1980)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 1984)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2009)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2017)

Maryland naturalist - Natural History Society of Maryland (The Society, 1993)

Mathematische und naturwissenschaftliche Berichte aus Ungarn - Magyar Tudományos Akadémia. (R. Friedländer & Sohn [etc.], 1900)

Mémoires de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Impr. de l'Universitmpale, 1809)

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

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], 1913)

Mededeelingen uit 's Lands Plantentuin - 's Lands Plantentuin. (G. Kolff & Co, 1897)

Mededeelingen uit 's Lands Plantentuin - 's Lands Plantentuin. (G. Kolff & Co, 1901)

Mediterranean naturalist (1893)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1861)

Mélanges orthoptérologiques - Saussure, Henri de 1829 -1905 (Ramboz et Schuchard, 1878)

Meletemata entomologica - Kolenati, Friedrich A. (Friedrich August), 1813 -1864 (Imperialis Academiae Scientiarum, 1845)

Memoir - Cornell University. Agricultural Experiment Station. (1919)

Memoir of the Reverend Octavius Pickard-Cambridge - Pickard-Cambridge, Arthur Wallace, Sir, 1873 -1952 (Printed for private circulation, 1918)

Mémoire sur la famille des carabiques - Chaudoir, M. de (Maximilien de), 1816 -1881 (Impr. Gautier et Monighetti, 1848)

Mémoires couronnés et autres mémoires 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. (F. Hayez, 1889)

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