List of vertebrated animals living in the gardens of the Zoological Society of London - Sclater, Philip Lutley, 1829 -1913 (Printed for the Society, 1866)

Lista revisada conforme á las últimas publicaciones - Museo Nacional de Costa Rica (Tip. Nacional, 1899)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1969)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1971)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1974)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1976)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1997)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 2006)

O livrinho das aves [por] Rodolpho von Ihering ... - Ihering, Rodolpho von, 1883 -1939 (1914)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1856)

Magasin de zoologie. - Guérin-Méneville, F.-É. (Félix-Édouard), 1799 -1874 (Lequien fils,, 1832)

Magasin de zoologie. - Guérin-Méneville, F.-É. (Félix-Édouard), 1799 -1874 (Lequien fils,, 1837)

Mammals of Panama (with thirty-nine plates) - Goldman, Edward Alphonso, 1873 -1946 (Smithsonian Institution, 1920)

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, 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)

Maryland birdlife - Maryland Ornithological Society. (Maryland Ornithological Society, 1958)

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

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

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

Memoirs of the California Academy of Sciences - California Academy of Sciences (The Academy, 1988)

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

Memorias da Academia Real das Sciencias de Lisboa - Academia Real das Sciencias de Lisboa. (Academia Real das Sciencias de Lisboa, 1819)

Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1893)

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

Mixed Flocks (birds), Colombia, countings with D. Fairchild, 1960, 1965 - Moynihan, M. (1960)

Mixed Flocks - Miscellaneous birds species, Portobello, Pedro Miguel Lake, Cerro Punta, Cerro Campana, Panama; Tarma, Peru, 1958-1959, 1961-1962, 1964 (2 of 2) - Moynihan, M. (1958)

A monograph of the birds forming the tanagrine genus Calliste : illustrated by coloured plates of all the known species - Sclater, Philip Lutley, 1829 -1913 (J. Van Voorst, 1857)

Monthly Magazine or British Register (of Politics, Literature and the Belles Lettres) (1821)

The Museum (W.F. Webb, 1896)

The Museum (W.F. Webb, 1897)

Museum Heineanum : Verzeichniss der ornithologischen Sammlung des Oberamtmann Ferdinand Heine, auf Gut St. Burchard vor Halberstadt - Cabanis, Jean Louis, 1816 -1906 (In Commission bei R. Frantz, 1860)

The museum of natural history; being a popular account of the structure, habits, and classification of the various departments of the animal kingdom: quadrupeds, birds, reptiles, fishes, shells, and insects, including the insects destructive to agriculture - Holder, Joseph B. (Joseph Bassett), 1824 -1888 (J. S. Virtue, 1877)

Natural history : a manual of zoology for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Charles Scribner & Co, 1865)

Natural history. A manual of zoölogy for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Scribner, Armstrong & co, 1872)

Natural history. A manual of zoölogy for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Scribner & co, 1867)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1869)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1887)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1891)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1898)

The naturalist's manual : containing descriptions of the nests and eggs of North American birds. (Turididae-Tanagridae.) Also instructions for collecting and preserving birds, nests, eggs & insects - Davie, Oliver, 1857 -1911 (Columbus Printing Works, 1882)

A naturalist's sojourn in Jamaica - Gosse, Philip Henry, 1810 -1888 (Longman, Brown, Green and Longmans, 1851)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1877)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1889)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1892)

Nature net - Nature Kenya. (East Africa Natural History Society, 2002)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1893)

Naumannia : Archiv für die Ornithologie Vorzugsweise Europa's : Organ der Deutsche Ornithologen-Gesellschaft - Deutsche Ornithologen-Gesellschaft (1857)

Nel Darien e nell' Ecuador : risultati zoologici - Festa, Enrico, 1868 -1939 (s.n, 1906)

Nests and eggs of North American birds - Davie, Oliver, 1857 -1911 (Hann & Adair, 1889)

Nests and eggs of North American birds - Davie, Oliver, 1857 -1911 (D. McKay, 1900)

Nests and eggs of North American birds - Davie, Oliver, 1857 -1911 (Landon Press, 1898)

Nests and eggs of North American birds : with a chapter on ornithological and oölogical collecting (the preparation of skins, nests and eggs for the cabinet) - Davie, Oliver, 1857 -1911 (Musson, 1900)

The new natural history - Lydekker, Richard, 1849 -1915 (Merrill, 1901)

New studies of tropical American birds - Nuttall Ornithological Club. (Nuttall Ornithological Club, 1981)

Nomenclator avium neotropicalium : sive avium quae in regione neotropica hucusque repertae sunt nomina systematice disposita adjecta sua cuique speciei patria accedunt generum et specierum novarum diagnoses - Salvin, Osbert, 1835 -1898 (Sumptibus Auctorum, 1873)

Nomenclator zoologicus : continens nomina systematica generum animalium tam viventium quam fossilium, secundum ordinem alphabeticum disposita, adjectis auctoribus, libris, in quibus reperiuntur, anno editionis, etymologia et familiis, ad quas pertinent, in singulis classibus - Agassiz, Louis, 1807 -1873 (Jent et Gassmann, 1842)

Nomenclatoris zoologici index universalis : continens nomina systematica classium, ordinum, familiarum et generum animalium omnium ... homonymiis plantarum - Agassiz, Louis, 1807 -1873 (Sumptibus Jent et Gassman, 1848)

Nomenclature of North American birds chiefly contained in the United States National Museum - Ridgway, Robert, 1850 -1929 (Govt. Print. Off, 1881)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 1999)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2000)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2001)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2002)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2003)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2004)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2005)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2006)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2007)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2008)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2009)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2010)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2011)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2012)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2013)

North American birds eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (Dover Pub, 1965)

North American birds eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & company, 1904)

Notes on a collection of birds from the Paraguayan chaco - Short, Lester L. (American Museum of Natural History, 1976)

Notes on some birds of northern Venezuela - Gilliard, E. Thomas (Ernest Thomas), 1912 -1965 (American Museum of Natural History, 1959)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1895)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1898)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1901)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1902)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1906)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1907)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1908)