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

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

Kleine Fauna und Flora von der südwestlichen Gegend um Wien bis auf den Gipfel des Schneeberges ([s.n, 1807)

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

Det Kongelige Danske videnskabernes selskabs skrifter Naturvidenskabelig og mathematisk afdeling - Kongelige Danske videnskabernes selskab. (1880)

Det Kongelige Norske videnskabers selskabs skrifter - Kongelige Norske videnskabers selskab. (Aktietrykkeriet, 1879)

Kritische Blätter für Forst- und Jagdwissenschaft - Nördlinger, Hermann von, 1818 -1897 (In der Nicolaischen Buchh, 1855)

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

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1779)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1809)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1827)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1829)

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

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1836)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1842)

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

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1892)

Kurze Beschreibung der Vögel Liv- und Esthlands - Meyer, Bernhard, 1767 -1836 (Johann Leonhard Schrag, 1815)

Kurzgefasste nachrichten, die naturhistorie Dännemark betreffend. Aus dem Dänischen uberseszt - Pontoppidan, Erich, 1698 -1764 (G. Rothens, 1765)

Le lac de Grand-Lieu : monographie phytogéographique - Gadeceau, Émile 1845 -1928 (A. Dugas, 1909)

Lachesis lapponica, or, A tour in Lapland - Smith, James Edward, 1759 -1828 (White and Cochrane, 1811)

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 vergleichenden mikroskopischen Anatomie der Wirbeltiere - Royal College of Physicians of Edinburgh. (G. Fischer, 1914)

Lehrbuch der Vergleichenden Mikroskopischen Anatomie der Wirbeltiere - Franz, Victor, 1883 -1950 (verlag von Gustav Fischer, 1913)

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 adventures of Audubon the naturalist - Audubon, John James, 1785 -1851 (Dent, 1915)

The life and adventures of John James Audubon, the naturalist - Audubon, John James, 1785 -1851 (Sampson Low, Son, & Marston, 1869)

The life and adventures of John James Audubon, the naturalist - Audubon, John James, 1785 -1851 (S. Low, & Marston, 1868)

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)

The life of a Scotch naturalist, Thomas Edward, Associate of the Linaean society - Smiles, Samuel, 1812 -1904 (J. Murray, 1905)

Life of a Scotch naturalist, Thomas Edward, associate of the Linnean Society - Smiles, Samuel, 1812 -1904 (John Murray, 1877)

The life of John James Audubon : the naturalist - Audubon, John James, 1785 -1851 (G.P. Putnam, 1871)

The life of John James Audubon, the naturalist - Audubon, John James, 1785 -1851 (G. P. Putnam's sons, 1890)

The life of John James Audubon, the naturalist. Ed. by his widow - Audubon, John James, 1785 -1851 (G.P. Putnam, 1869)

The life of John James Audubon, the naturalist - Audubon, John James, 1785 -1851 (G.P. Putnam, 1870)

Life of a Scotch naturalist, Thomas Edward, associate of the Linnean Society - Smiles, Samuel, 1812 -1904 (J. Murray, 1877)

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

A List of birds' eggs in the collection of Philip Crowley - Crowley, Philip (Waddon House, 1883)

List of birds in vicinity of Fishkill-on-Hudson, N.Y - Stearns, Winfrid Alden, 1852 -1909 (Privately Printed, 1880)

List of birds observed in the vicinity of Hamilton, C.W., arranged after the system of Audubon - McIlwraith, Thomas, 1824 -1903 (s.n, 1860)

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 belonging to the Humber district : having a special reference to their migrations - Cordeaux, John. (R. H. Porter, 1899)

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. The genera arranged according to Sundevall's method. The nomenclature - Wharton, Henry Thornton, 1846 -1895 (J. Van Voorst, 1877)

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 those found in the western palaearctic area - Noble, Heatley. (R.H. Porter, 1898)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1977)

List of skeletons and crania in the Section of Comparative Anatomy of the United States Army Medical Museum : for use during the International Exhibition of 1876 in connection with the representation of the Medical Department, U.S. Army - Yarrow, H. C. (Harry Crécy) 1840 -1929 (Army Medical Museum, 1876)

A list of the birds and mammals collected by the Steere Expedition to the Philippines : with localities, and with brief preliminary descriptions of supposed new species - Steere, Joseph Beal, 1842 -1940 (Courier Office, Printers, 1890)

List of the birds of India - Hume, Allan Octavian, 1829 -1912 (1879)

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)

List of the birds of Nelson County - Beckham, Charles Wickliffe. (John D. Woods, 1885)

A list of the birds of the West Indies, including the Bahama Islands and the Greater and Lesser Antilles, excepting the Islands of Tobago and Trinidad - Cory, Charles B. (Charles Barney), 1857 -1921 (Estes & Lauriat, 1885)

A list of the birds of the West Indies, including the Bahama Islands, and the Greater and Lesser Antilles, excepting the islands of Tobago and Trinidad - Cory, Charles B. (Charles Barney), 1857 -1921 (Estes & Lauriat, 1886)

A list of the genera of birds : with their synonyma and an indication of the typical species of each genus - Gray, George Robert, 1808 -1872 (Printed and sold by R. and J.E. Taylor, 1841)

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 osteological specimens in the collection of the British Museum - British Museum (Natural History) (1847)

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 living in the gardens of the Zoological Society of London - Sclater, Philip Lutley, 1829 -1913 (Printed for the Society, 1862)

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, 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)

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 (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, and sold ... Longmans, Green, Reader, and Dyer, 1883)

List of vertebrated animals living in the gardens of the Zoological Society of London - London Zoo (London, England) (The Society, 1865)

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

The Literary record and journal of the Linnaean Association of Pennsylvania College - Pennsylvania College. Linnaean Association. (The Association, 1844)

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)

Log-book of a fisherman and zoologist - Buckland, Francis T. (Francis Trevelyan), 1826 -1880 (Chapman & Hall, 1875)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1835)

Lord Lilford on birds: being a collection of informal and unpublished writings by the late president of the British Ornithologists' Union. With contributed papers upon falconry and otter hunting, his favourite sports - Thorburn, Archibald, 1860 -1935 (Hutchinson, 1903)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1860)

M. Th. Brünnichii Ornithologia borealis, sistens collectionem avium : ex omnibus, Imperio danico subjectis, provinciis insulisqve borealibus Hafniæ factam, cum descriptionibus novarum, nominibus incolarum, locis natalium et icone - Brünnich, M. Thr. (Morten Thrane), 1737 -1827 (Typis Andreæ Hartvigii Godiche, 1764)

Mährens und k. k. Schlesiens Fische, Reptilien und Vögel : ein Beitrag zur Fauna beider Kronländer - Heinrich, Albin. (Nitsch und Grosse, 1856)

A madarak hasznáról és káráról - Herman, Ottó, 1835 -1914 ([Franklin-társulat nyomdája], 1901)

Madras Journal of Literature and Science - Madras Literary Society. (Madras Literary Society, 1839)

Madras Journal of Literature and Science - Madras Literary Society. (Madras Literary Society, 1840)

Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology - Loudon, J. C. (John Claudius), 1783 -1843 (printed for Longman, Rees, Orme, Brown, and Green, 1830)

Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology - Loudon, J. C. (John Claudius), 1783 -1843 (printed for Longman, Rees, Orme, Brown, and Green, 1832)

Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology - Loudon, J. C. (John Claudius), 1783 -1843 (printed for Longman, Rees, Orme, Brown, and Green, 1837)

The Magazine of natural history / conducted by Edward Charlesworth - Charlesworth, Edward. (s.n.], 1838)

The Magazine of natural history / conducted by Edward Charlesworth - Charlesworth, Edward. (s.n.], 1839)

Magyarország Madarai; hazai madárvilág megismerésének vezérfonala - Madarász, Gyula, 1858 -1931 (1899)