Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1922)

The Journal of the Linnean Society of London. Zoology - Linnean Society of London. (Academic Press [etc.], 1906)

Journal of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences], 1934)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1876)

Katalog der Collection von Erlanger in Nieder-Ingelheim a. Rh - Hilgert, Carl. (R. Friedlander und Sohn, 1908)

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

Katalog der vögel welche im Naturhistorischen Museum in Colmar aufgestellt sind - Schneider, Gustav. (s.n, 1896)

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)

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, 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. 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 (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)

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 - Coues, Elliott, 1842 -1899 (Naturalist's Agency, 1872)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1963)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1996)

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

Knowledge. v. 1-40; Nov. 1881-Dec. 1917 (Wyman [etc.])

Det Kongelige Norske videnskabers selskabs skrifter - Kongelige Norske videnskabers selskab. (Aktietrykkeriet, 1910)

Det Kongelige Norske videnskabers selskabs skrifter - Kongelige Norske videnskabers selskab. (Aktietrykkeriet, 1880)

Det Kongelige Norske videnskabers selskabs skrifter - Kongelige Norske videnskabers selskab. (Aktietrykkeriet, 1916)

Det Kongelige Norske videnskabers selskabs skrifter - Kongelige Norske videnskabers selskab. (Aktietrykkeriet, 1921)

Kosmos (Ernst Günther, 1878)

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

Kritisk framställning af fogelarterna uti äldre ornithologiska arbeten - Sundevall, Carl J., 1801 -1875 (s.n, 1857)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1835)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1850)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1857)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1902)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1903)

Die Kunst, Vögel als Bälge zu bereiten, auszustopfen, aufzustellen und aufzubewahren : nebst einer kurzen Anleitung, Schmetterlinge und Käfer zu fangen, zu präpariren, aufzustellen und aufzubewahren - Brehm, L. (Ludwig), 1787 -1864 (B.F. Voigt, 1842)

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

Die Lebensweise der Vögel - Rennie, James, 1787 -1867 (Baumgärtner, 1835)

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

Lehrbuch der Zoologie für Studierende und Lehrer - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 (G. Fischer, 1890)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1910)

Leitfaden zum Bestimmen der Vögel Mittel-Europas, ihrer Jugendkleider und ihrer Nester, nach leicht und sicher erkennbaren Merkmalen - Dahl, Friedrich, 1856 -1929 (Verlag von Gebrüder Borntraeger, 1912)

Life and letters of Alexander Goodman More, F.R.S.E., F.L.S., M.R.I.A., with selections from his zoological and botanical writings - More, Alexander Goodman, 1830 -1895 (Hodges, Figgis & co. (ltd.), 1898)

Life and letters of Alexander Goodman More, with selections from his zoological and botanical writings - More, Alexander Goodman, 1830 -1895 (Hodges, Figgis, 1898)

Life and rock: a collection of zooogical and geological essays - Lydekker, Richard, 1849 -1915 (The Universal Press, 1894)

Life and sport on the north shore of the lower St. Lawrence and Gulf, containing chapters on salmon fishing, trapping, the folk-lore of the Montagnais Indians and tales of adventure on the fringe of the Labrador peninsula - Comeau, Napoleon A. (Napoleon Alexander), 1848 -1923 (Daily Telegraph Printing House, 1909)

Life histories of North American diving birds : order Pygopodes - Smithsonian Institution (Govt. Print. Off, 1919)

Life histories of North American diving birds; order Pygopodes - Bent, Arthur Cleveland, 1866 -1954 (Dodd, Mead, 1946)

Life histories of North American wild fowl : order Anseres (part) - Bent, Arthur Cleveland, 1866 -1954 (G.P.O, 1923)

Life histories of North American wild fowl : order Anseres (part) - Smithsonian Institution (G.P.O, 1925)

A List of birds' eggs in the collection of Mr. William Stoate, Wembdon, Bridgewater - Stoate, William. (1880)

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

A List of British birds - British Ornithologists' Union (John Van Voorst, 1883)

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

A list of British birds - British Ornithologists' Union (J. van Voorst, 1883)

A list of British birds, with, as an appendix, the "Graduates list" for labelling eggs - Marsden, Herbert W. (1881)

A list of European birds : including all species found in the western palaearctic region : the nomenclature carefully revised - Dresser, H. E. (Henry Eeles), 1838 -1915 (H.E. Dresser, 1881)

A list of European birds, including all species found in the western palaearctic region - Dresser, H. E. (Henry Eeles), 1838 -1915 (The Author, 1881)

List of the birds of Alaska, with biographical notes - Dall, William Healey, 1845 -1927 (1869)

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 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)

A list of the genera of birds : with their synonyma an indication of the typical species of each genus - Gray, George Robert, 1808 -1872 (R. and J.E. Taylor, 1840)

List of the specimens of birds in the collection of the British Museum - Gray, George Robert, 1808 -1872 (printed by the order of the Trustees, 1844)

List of the specimens of birds in the collection of the British Museum - Gray, George Robert, 1808 -1872 (printed by the order of the Trustees, 1848)

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)

List of the vertebrated animals now or lately living in the gardens of the Zoological society of London - Sclater, Philip Lutley, 1829 -1913 (The Society, 1877)

List of the vertebrated animals now or lately living in the gardens of the Zoological Society of London - Zoological Society of London. (Printed for the Society, 1896)

List of the vertebrated animals now or lately living in the gardens of the Zoological Society of London - Zoological Society of London. (Printed for the Society, and sold ... Longmans, Green, Reader, and Dyer, 1883)

List of the vertebrated animals now or lately living in the gardens of the Zoological Society of London - Zoological Society of London. (printed for the Society, 1883)

List of the vertebrated animals now or lately living in the gardens of the Zoological Society of London - Sclater, Philip Lutley, 1829 -1913 (Printed for the Society, 1896)

List of the vertebrated animals now or lately living in the gardens of the Zoological Society of London - Sclater, Philip Lutley, 1829 -1913 (Printed for the Society, 1879)

List of the vertebrated animals now or lately living in the gardens of the Zoological Society of London - Sclater, Philip Lutley, 1829 -1913 (Printed for the Society by Longmans, Green, Reader, and Dyer, 1883)

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

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

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

The living world: a complete natural history of the world's creatures, fishes, reptiles, insects, birds and mammals - Buel, James W. (James William), 1849 -1920 (Holloway & co, 1889)

Local names of migratory game birds - McAtee, W. L. (Waldo Lee) 1883 -1962 (Govt. Print. Off, 1923)

London Naturalist - London Natural History Society. (London Natural History Society, 1929)