Journal of the East Africa Natural History Society and National Museum - East Africa Natural History Society. (The Society, 1972)

Journal of the East Africa Natural History Society and National Museum - East Africa Natural History Society. (The Society, 1976)

Journal of the East Africa Natural History Society and National Museum - East Africa Natural History Society. (The Society, 1980)

Journal of the Federated Malay States Museums - Selangor State Museum. (the Museums, 1906)

Journal of the Kentucky Academy of Science - Kentucky Academy of Science. (The Academy, 2000)

Journal of the Kentucky Academy of Science - Kentucky Academy of Science. (The Academy, 2010)

The Journal of the Maine Ornithological Society - Maine Ornithological Society. (Maine Ornithological Society, 1908)

The journal of the Natural History Society of Siam - Natural History Society of Siam. (Luzac, 1920)

The journal of the Natural History Society of Siam - Natural History Society of Siam. (Luzac, 1921)

The journal of the Natural History Society of Siam - Natural History Society of Siam. (Luzac, 1914)

Journal of the New York Entomological Society - New York Entomological Society. (Allen Press [etc.], 1916)

The Journal of the South African Ornithologists' Union - South African Ornithologists' Union. (1911)

Journal of the Straits Branch of the Royal Asiatic Society - Royal Asiatic Society of Great Britain; Ireland. Malaysian Branch. (1920)

The Kansas University quarterly - University of Kansas. Museum of Natural History. (The University, 1894)

The Kansas University science bulletin - University of Kansas. Museum of Natural History. (The University, 1913)

Katalog der Eiersammlung, nebst Beschreibungeh der aussereuropäischen Eier - Nehrkorn, Adolph. (R. Friedler & Sohn, 1910)

Katalog der systematischen Vogelsammlung des Provinzial-Museums in Hannover - Hannover (Germany). Provinzial-Museums. (1897)

Katalog der Vogelsammlung in Museum der Senckenbergischen Naturforschenden Gesellschaft in Frankfurt am Main - Senckenbergische Naturforschende Gesellschaft. (Knauer, 1891)

Die Kennzeichen der Vögel Deutschlands; Schlüssel zum bestimmen, deutsche und wissenschaftliche Benennungen, geographische Verbreitung, Brut- und Zugzeiten der deutschen Vögel - Reichenow, Anton, 1847 -1941 (J. Neumann, 1920)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1937)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1940)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1945)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1953)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1961)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1965)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1968)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1977)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1982)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1985)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1997)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 2001)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 2009)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1887)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1890)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology, an outline of the structure and classification of birds, and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (D. Estes and Company, 1890)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1894)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1896)

A key to the birds of the Hawaiian group - Bryan, William Alanson, 1875 -1942 (Bishop Museum Press, 1901)

A Key to the Birds of the Hawaiian Group - Bryan, William Alanson, 1875 -1942 (Bishop Museum Press, 1901)

A key to the birds of the lower Yangtse Valley, with popular descriptions of the species commonly seen - Gee, Nathaniel Gist, 1876 -1937 (Shanghai Mercury Limited, Print, 1917)

Key to the water birds of Florida - Cory, Charles B. (Charles Barney), 1857 -1921 (Barta Press, 1896)

King Range National Conservation Area draft resource management plan & draft environmental impact statement - EDAW Inc. (U.S. Dept. of the Interior, Bureau of Land Management, Arcata Field Office, 2004)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1970)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1971)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1972)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1974)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1976)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1981)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1983)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1984)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1985)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1987)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1990)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1991)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1993)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1995)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1998)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 2012)

Kirkpatrick, Ralph D., 1964-1965 - Kirkpatrick, Ralph D. (1964)

Kirtlandia - Cleveland Museum of Natural History (Cleveland Museum of Natural History, 1982)

Kritische Übersicht der europäischen Vögel. Revue critique des oiseaux d'Europe - Schlegel, H. (Hermann), 1804 -1884 (Arnz, 1844)

Labrador : the country and the people - Grenfell, Wilfred Thomason, Sir, 1865 -1940 (Macmillan, 1912)

Labrador : the country and the people - Grenfell, Wilfred Thomason, Sir, 1865 -1940 (Macmillan Co, 1909)

Labrador, the country and the people - Grenfell, Wilfred Thomason, Sir, 1865 -1940 (The Macmillan co, 1913)

Lebensbilder aus der Tierwelt - Meerwarth, Hermann, 1870 - (Voigtländer, 1908)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1918)

Liberia - Stapf, O. (Otto) 1857 -1933 (Hutchinson, 1906)

Life zone investigations in Wyoming - United States. Bureau of Biological Survey. (Government Printing Office, 1917)

List of birds found in the vicinity of Bridgeport, Connecticut - Averill, C. K. (Charles Ketchum) (Buckingham & Brewer, Printers, 1892)

List of birds found in West Virginia - Brooks, Earl Amos, 1871 -1952 (Tribune Printing Co, 1909)

List of birds of Becker County, Minnesota - Roberts, Thomas S. (Thomas Sadler), 1858 -1946 (Pioneer Press Co, 1907)

List of birds of Dover - Morse, Albert P. (Albert Pitts), 1863 -1936 (s.n, 1897)

A List of British birds - British Ornithologists' Union (British Ornithologists' Union, 1915)

A list of British birds ... - Ogilvie-Grant, W. R. (William Robert), 1863 -1924 (1910)

A list of British birds - British Ornithologists' Union (British ornithologists' union, 1915)

List of North Dakota birds : found in the Big Coulee, Turtle Mountains and Devils lake region. As noted during the years 1890 to 1896 and verified in the subsequent years to date - Judd, Elmer T. (1917)

A list of the birds of Buffalo and vicinity - Bergtold, W. H. (William Harry), 1865 -1956 (1889)

A list of the birds of Florida - Cory, Charles B. (Charles Barney), 1857 -1921 (For sale by B. Whidden, 1896)

A list of the birds of Maine, showing their distribution by counties and their status in each county - Knight, Ora Willis, 1874 -1913 (Kennebec journal print, 1897)

A list of the birds of Maryland - Kirkwood, Frank C (1895)

A list of the birds of Maryland, giving dates of the arrival, departure and nesting periods of our regular birds; also including stragglers and such others as no doubt occur but are not recorded - Kirkwood, Frank C ([Maryland Academy of Sciences], 1895)

A list of the birds of Maryland, giving dates of the arrival, departure and nesting periods of our regular birds; also including stragglers and such others as no doubt occur but are not recorded - Kirkwood, Frank C ([Deutsch Lithographing & Printing Co.], 1895)

A list of the birds of Maryland : giving dates of the arrival, departure and nesting periods of our regular birds, also including stragglers and such others as no doubt occur but are not recorded - Kirkwood, Frank C (Deutsch Lithographing & Print. Co, 1895)

A list of the birds of New Hampshire - Allen, Glover M. (Glover Morrill), 1879 -1942 (Nature Study press, 1903)

A list of the birds of New Hampshire - Allen, Glover M. (Glover Morrill), 1879 -1942 (Nature press, 1903)

List of the specimens of British animals in the collection of the British Museum - Gray, John Edward, 1800 -1875 (Printed by order of the Trustees, 1850)

List of the specimens of British animals in the collection of the British Museum - Gray, John Edward, 1800 -1875 (Printed by order of the Trustees, 1852)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1963)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1968)

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

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1970)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1973)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1972)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1975)

Living bird - Cornell University. Laboratory of Ornithology. (Cornell Laboratory of Ornithology, 1980)

Livre rouge des espèces menacées en France Tome 1 Vertébrés - Beaufort, François de, 1936 -1995 (1983)

London Bird Report - London Natural History Society. (1991)

London Bird Report - London Natural History Society. (1992)

London Bird Report - London Natural History Society. (1994)

London Bird Report - London Natural History Society. (1993)

London Bird Report - London Natural History Society. (1996)

London Bird Report - London Natural History Society. (1995)

London Bird Report - London Natural History Society. (1997)

London Bird Report - London Natural History Society. (1998)

London Bird Report - London Natural History Society. (1999)

London Bird Report - London Natural History Society. (2000)

London Bird Report - London Natural History Society. (2001)

London Bird Report - London Natural History Society. (2002)

London Bird Report - London Natural History Society. (2004)

London Bird Report - London Natural History Society. (2005)

London Bird Report - London Natural History Society. (2006)

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. (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)

London Bird Report - London Natural History Society. (2015)

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London Naturalist - London Natural History Society. (London Natural History Society, 1991)

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

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Louisiana herpetology, with a checklist of the batrachians and reptiles of the state and the avifauna of Louisiana, with an annotated list of the birds of the state - Beyer, George E. (George Eugene), 1861 -1926 ([s.n.], 1900)

MAB Information System: Biosphere Reserves, Compilation 4, October 1986: Supplement January 1988 - IUCN Conservation Monitoring Centre. (UNESCO, IUCN Conservation Monitoring Centre, 1988)

Madagascar: an environmental profile (1987)

Madagascar: profil de l'environnement (1990)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1995)

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)

Malacologia - Institute of Malacology. (Institute of Malacology], 1967)

Malacologia - Institute of Malacology. (Institute of Malacology], 1988)

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, 1981)

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)