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 (Lippincott, 1887)

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 ornithology - Stearns, Winfrid Alden, 1852 -1909 (Printed for theauthor at the Atlantic University Print. Office, 1895)

A manual of ornithology - Stearns, Winfrid Alden, 1852 -1909 (Printed for the author at the Atlanta University Printing Office, 1895)

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

A manual of the Nílagiri district in the Madras Presidency - Grigg, Henry Bidewell. (Printed by E. Keys at the Government Press, 1880)

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 (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 : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood, 1887)

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)

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

Manuel d'ornithologie, ou, Tableau systématique des oiseaux qui se trouvent en Europe : précédé d'une analyse du système général d'ornithologie, et suivi d'une table alphabétique des espèces - Baird, Spencer Fullerton, 1823 -1887 (Chez H. Cousin, 1820)

Manuel d'ornithologie, ou Tableau systématique des oiseaux qui se trouvent en Europe; précédé d'une analyse du système général d'ornithologie, et suivi d'une table alphabeétique des espèces - Temminck, C.J. (Coenraad Jacob), 1778 -1858 (G. Dufour [etc.], 1820)

Manuel d'ornithologie, ou Tableau systématique des oiseaux qui se trouvent en Europe : précédé d'une analyse du système général d'ornithologie, et suivi d'une table alphabétique des espèces - Temminck, C.J. (Coenraad Jacob), 1778 -1858 (Chez Gabriel Dufour, 1820)

Manuscript notes on avian types - Wetmore, Alexander, 1886 -1978 (1933)

Maryland birdlife - Maryland Ornithological Society. (Maryland Ornithological Society, 1971)

Maryland birdlife - Maryland Ornithological Society. (Maryland Ornithological Society, 1978)

Maryland birdlife - Maryland Ornithological Society. (Maryland Ornithological Society, 1979)

Maryland birdlife - Maryland Ornithological Society. (Maryland Ornithological Society, 1996)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2005)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2007)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2008)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2009)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2010)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2011)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2012)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2014)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2015)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2016)

The Maryland yellowthroat - Maryland Ornithological Society. (The Society, 2017)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1906)

Memórias do Instituto Oswaldo Cruz - Instituto Oswaldo Cruz (1919)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1892)

Mémoires de l'Institut des Sciences et Arts. Sciences math. et phys - Institut de France. (1801)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1951)

Mémoires ornithologiques - Bonaparte, Charles-Lucien, 1803 -1857 (1857)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 1944)

Memoirs of the life of James Wilson, Esq. F.R.S.E., M.W.S., of Woodville - Hamilton, James, 1814 -1867 (James Nisbet, 1859)

Memoirs of the Nuttall Ornithological Club - Nuttall Ornithological Club. (The Club, 1923)

Memoirs of the Nuttall Ornithological Club - Nuttall Ornithological Club. (The Club, 1943)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1869)

Memorias - Academia Nacional de Ciencias Antonio Alzate, Mexico

Memorias de la Sociedad Cubana de Historia Natural "Felipe Poey." - Museo Poey. (La Sociedad, 1917)

Memórias do Museu Goeldi (Museu Paraense) de História Natural e Ethnographia (O Museu, 1896)

Merveilles de la nature : les insectes, les myriopodes, les arachnides et les crustaces - Brehm, Alfred Edmund, 1829 -1884 (J.-B. Baillière et Fils, 49 rue Hautefeuille, près du boulevard Saint-Germain, 1882)

Methodi naturalis avium disponendarum tentamen. Försök till fogelklassens naturenliga uppställnung - Sundevall, Carl J., 1801 -1875 (Samson & Wallin, 1872)