The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1998)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1999)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 2000)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 2001)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 2002)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 2003)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 2004)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 2005)

Journal of researches during the voyage of H.M.S. Beagle - Darwin, Charles, 1809 -1882 (Collins, 1860)

Journal of researches into the geology and natural history of the various coutntries visited by H.M.S. Beagle - Darwin, Charles, 1809 -1882 (J.M. Dent, 1906)

Journal of researches into the geology and natural history of the various countries visited by H.M.S. Beagle ... from 1832-6 - Darwin, Charles, 1809 -1882 (J. Murray, 1845)

Journal of researches into the natural history and geology of the countries visited during the voyage of H. M. S. Beagle round the world, under the command of Capt. Fitz Roy - Darwin, Charles, 1809 -1882 (G. Routledge & Sons, 1891)

Journal of researches into the natural history and geology of the countries visited during the voyage of H.M.S. 'Beagle' round the world : under the command of Capt. FitzRoy, R.N - Darwin, Charles, 1809 -1882 (John Murray, Albemarle Street, 1882)

Journal of researches into the natural history and geology of the countries visited during the voyage of H.M.S. "Beagle" round the world, under the command of Captain FitzRoy - Darwin, Charles, 1809 -1882 (J. Murray, 1889)

Journal of researches into the natural history and geology of the countries visited during the voyage of H.M.S. 'Beagle' round the world ... - Darwin, Charles, 1809 -1882 (J. Murray, 1890)

Journal of researches into the natural history and geology of the countries visited during the voyage of H.M.S. Beagle round the world, under the command of Capt. Fitz Roy, R.N - Darwin, Charles, 1809 -1882 (J. Murray, 1860)

Journal of researches into the natural history and geology of the countries visited during the voyage round the world of H.M.S. 'Beagle' under the command of Captain Fitz Roy, R.N - Darwin, Charles, 1809 -1882 (D. Appleton and company, 1890)

Journal of researches into the natural history and geology of the countries visited during the voyage round the world of H.M.S. "Beagle" under the command of Captain Fitz Roy, R.N - Darwin, Charles, 1809 -1882 (J. Murray, 1913)

Journal of researches into the natural history and geology of the countries visited during the voyage round the world of H.M.S. 'Beagle,' under the command of Captain Fitz Roy - Darwin, Charles, 1809 -1882 (J. Murray, 1913)

Journal of researches into the natural history and geology of the countries visited during the voyage of H.M.S. Beagle round the world : under the command of Capt. Fitz Roy, R.N - Darwin, Charles, 1809 -1882 (Harper & Brothers, 1846)

Journal of researches into the natural history and geology of the countries visited during the voyage of H.M.S. Beagle round the world, under the command of Capt. Fitz Roy, R.N - Darwin, Charles, 1809 -1882 (D. Appleton, 1873)

Journal of researches into the natural history and geology of the countries visited during the voyage of H.M.S. Beagle round the world, under the command of Capt. Fitz Roy, R.N - Darwin, Charles, 1809 -1882 (D. Appleton, 1898)

Journal of researches into the natural history and geology of the countries visited during the voyage of H.M.S. "Beagle" round the world - Darwin, Charles, 1809 -1882 (Ward, Lock, 1906)

Journal of researches into the natural history and geology of the countries visited during the voyage round the world of the H.M.S. 'Beagle' : under the command of Capt. Fitz Roy, R.N - Darwin, Charles, 1809 -1882 (J. Murray, 1890)

Journal of researches into the natural history and geology of the countries visited during the voyage round the world of H.M.S. 'Beagle' under the command of Captain FitzRoy - Darwin, Charles, 1809 -1882 (John Murray, 1909)

Journal of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 2014)

The Journal of the Maine Ornithological Society - Maine Ornithological Society. (Maine Ornithological Society, 1905)

The Journal of the Maine Ornithological Society - Maine Ornithological Society. (Maine Ornithological Society, 1911)

The Journal of the Museum of Comparative Oology - Santa Barbara Museum of Natural History. (The Museum, 1921)

Journal of the New York Entomological Society - New York Entomological Society. (Allen Press [etc.], 1906)

Journal of the Tomas Barrera, May 1-6, 1914 - Bartsch, Paul, 1871 -1960 (1914)

The Kansas City review of science and industry (Press of Ramsey, Millet & Hudson, 1882)

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

Key to North American birds - Coues, Elliott, 1842 -1899 (1872)

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. Illustrated by 6 steel plates and upwards of 250 woodcuts - Coues, Elliott, 1842 -1899 (Naturalists' Agency, 1872)

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 - Coues, Elliott, 1842 -1899 (Macmillan, 1884)

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 (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, 1896)

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 - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1884)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1964)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1978)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1979)

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

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

The Kingbird - Federation of New York State Bird Clubs. (s.n, 2013)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 2015)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 2016)

Kortbegrip van het zamenstel der natuur - Linné, Carl von, 1707 -1778 (By J. van Schoonhoven, en Comp, 1772)

Land birds of the Pacific district - Belding, Lyman, 1829 -1917 (California Academy of Sciences, 1890)

Latreille's Naturliche Familien des Thierreichs - Latreille, P. A. (Pierre André), 1762 -1833 (Im Verlage des Gr. H.S. priv. Landes-Industrie- Comptoirs, 1827)

Laurence M. Huey Field Notes, 1916-1954 - Huey, Laurence M. (Laurence Markham), 1892 -1963 (San Diego Natural History Museum Research Library, 1916)

Leçons d'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (H. Dumont, 1836)

Leçons élémentaires sur l'histoire naturelle des oiseaux - Chenu, Jean-Charles, 1808 -1879 (L. Hachette et cie, 1862)

Lehrbuch der Naturgeschichte - Perleb, Karl Julius, 1794 -1845 (Friedrich Wagner, 1831)

Life histories of North American birds, from the parrots to the grackles, with special reference to their breeding habits and eggs - Bendire, Charles, 1836 -1897 (Smithsonian Institution, 1895)

Life histories of North American birds, from the parrots to the grackles with special reference to their breeding habits and eggs - Smithsonian Institution (Smithsonian Institution, 1895)

Life histories of North American birds : with special reference to their breeding habits and eggs - Bendire, Charles, 1836 -1897 (Smithsonian Institution, 1892)