London Bird Report - London Natural History Society. (2007)

London Bird Report - London Natural History Society. (2008)

London Bird Report - London Natural History Society. (2009)

London Bird Report - London Natural History Society. (2010)

London Bird Report - London Natural History Society. (2011)

London Bird Report - London Natural History Society. (2012)

London Bird Report - London Natural History Society. (2013)

London Bird Report - London Natural History Society. (2014)

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

[Macmillan's notes] - American Museum of Natural History (1936)

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Magyarország Madarai; hazai madárvilág megismerésének vezérfonala - Madarász, Gyula, 1858 -1931 (1899)

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

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1979)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1982)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1983)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1985)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1986)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1987)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1988)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1989)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1990)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1993)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1996)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1999)

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

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 2009)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 2013)

Mammalia, Aves, Reptilia, Amphibia, Pisces - Matschie, Paul, 1861 -1926 (G. Fischer, 1909)

Mammals of the Mexican boundary of the United States. A descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees - Mearns, Edgar Alexander, 1856 -1916 (Govt. print. off, 1907)

A manual of North American birds - Ridgway, Robert, 1850 -1929 (Lippincott, 1887)

A manual of North American birds - Ridgway, Robert, 1850 -1929 (J. B. Lippincott, 1887)

A manual of North American birds - Ridgway, Robert, 1850 -1929 (J.B. Lippincott Co, 1900)

A manual of North American birds - Ridgway, Robert, 1850 -1929 (J. B. Lippincott Company, 1896)

A manual of North American birds - Ridgway, Robert, 1850 -1929 (J.B. Lippincott, 1887)

A manual of Philippine birds - McGregor, Richard C. (Richard Crittenden), 1871 -1936 (Bureau of Printing, 1909)

A manual of Philippine birds - McGregor, Richard C. (Richard Crittenden), 1871 -1936 (Bureau of Printing, 1910)

A manual of the birds of Australia - Iredale, Tom, 1880 -1972 (H.F. & G. Witherby, 1921)

A manual of the vertebrate animals of the northern United States : including the district north and east of the Ozark mountains, south of the Laurentian hills, north of the southern boundary of Virginia, and east of the Missouri river, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A. C. McClurg, 1916)

A manual of the vertebrate animals of the northern United States, including the district north and east of the Ozark mountains, south of the Laurentian hills, north of the southern boundary of Virginia, and east of the Missouri River, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A.C. McClurg, 1910)

A manual of the vertebrate animals of the northern United States, including the district north and east of the Ozark mountains, south of the Laurentian hills, north of the southern boundary of Virginia, and east of the Missouri River, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A. C. McClurg and Company, 1899)

A manual of the vertebrate animals of the northern United States, including the district north and east of the Ozark mountains, south of the Laurentian Hills, north of the southern boundary of Virginia, and east of the Missouri River, inclusive of marine species - Jordan, David Starr, 1851 -1931 (McClurg, 1888)

A manual of the vertebrate animals of the northern United States : including the district north and east of the Ozark Mountains, south of the Laurentian Hills, north of the southern boundary of Virginia, and east of the Missouri River, inclusive of marine species - Jordan, David Starr, 1851 -1931 (A.C. McClurg, 1888)

Manual of the vertebrate animals of the northern U.S. ... inclusive of the marine species - Jordan, David Starr, 1851 -1931 (McClurg, 1894)

Manuale di ornitologia italiana; elenco descrittivo degli uccelli stazionari o di passaggio finora osservati in Italia - Arrigoni degli Oddi, Ettore, 1867 -1942 (U. Hoepli, 1904)

The Marine Mammal Commission compendium of selected treaties, international agreements, and other relevant documents on marine resources, wildlife, and the environment - U.S. Fish; Wildlife Service (The Commission, 1994)

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Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1910)

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Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1914)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1917)

Meddelanden af Societas pro Fauna et Flora Fennica - Societas pro Fauna et Flora Fennica ([Societas pro Fauna et Flora Fennica], 1921)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1899)

Mededeelingen uitgaande van het Departement van Landbouw - Dutch East Indies. Departement van Landbouw. (G. Kolff & Co, 1909)

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Memoires de la Société (Royale) des sciences, de l'agriculture et des arts à Lille - Société des sciences de l'agriculture et des arts de Lille (Société (Royale) des sciences, de l'agriculture et des arts à Lille, 1842)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1966)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1970)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1994)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1984)

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Memoirs of the National Museum of Victoria - National Museum of Victoria (National Museum of Victoria, 1975)

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Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 1972)

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Memoirs of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1984)

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, 1887)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1911)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1903)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1956)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1962)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1965)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1971)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1974)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1983)

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Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1960)

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Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1887)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1892)

Modern systematic studies in African botany : proceedings of the eleventh plenary meeting of the Association for the Taxonomic Study of the Flora of Tropical Africa, Missouri Botanical Garden, St. Louis, June 10-14, 1985 ... - Lowry, Porter Prescott. (Missouri Botanical Garden, 1985)

Monographie der arktischen Acariden - Trägårdh, Ivar (Ivar Oscar Herman), 1878 -1951 (Gustav Fischer, 1904)

Mosquitoes : Hawaiian mosquitoes - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1966)

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Nachträge zu Nehrkorn's Eierkatalog - Nehrkorn, Adolph. (R. Friedländer & Sohn, 1914)

Names and portraits of birds which interest gunners, with descriptions in languages understanded of the people - Trumbull, Gurdon, 1841 -1903 (Harper, 1888)

National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program, 1961-1973 : Laysan, miscellaneous preparation material - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1891)

National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program field research records, 1961-1973 : Leewards check lists, preliminary check lists - Howland, Baker, Phoenix Line Islands, Brooding Bds., NW Hawaiians - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1961)

National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program field research records, 1961-1973 : manuscript from BSFIO files - Coultas, etc - Coultas, William Ferrell, 1899 -1965 (1968)

National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program field research records, 1961-1973 : Howland, specimens - Clapp, Roger B. (1963)

National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program, 1961-1973 : Pacific botany, manuscript materials (parts 1-2) - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1964)