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

Lehrbuch der praktischen vergleichenden Anatomie - Vogt, Karl Christoph, 1817 -1895 (Vieweg, 1889)

Lehrbuch der vergleichenden Anatomie der Wirbellosen Thiere - Siebold, C. Th. E. von (Carl Theodor Ernst), 1804 -1885 (Veit, 1846)

Lehrbuch der vergleichenden Anatomie der wirbellosen Thiere - Siebold, C. Th. E. von (Carl Theodor Ernst), 1804 -1885 (Verlag von Veit & Comp, 1848)

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)

Lehrbuch der vergleichenden mikroskopischen Anatomie der Wirbeltiere - Oppel, Albert, 1863 -1915 (Fischer, 1896)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1893)

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

Lehrbuch der zoologie in populärer darstellung : nach methodischen grundsätzen für gehobene lehranstalten, sowie zum selbstunterrichte - Baenitz, Carl, 1839 - (Adolph Stubenrauch, 1876)

Lehrbuch der Zoologie - Claus, Carl, 1835 -1899 (Elwert, 1897)

Lehrbuch der zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert, 1891)

Lehrbuch der zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert, 1883)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1892)

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

Lehrbuch der Zootomie; anatomische Charakteristik der Thierklassen, als Einleitung in das Studium der Zoologie, vergleichenden Anatomie und Physiologie mit Hinweisung auf die Icones zootomicae - Frey, Heinrich, 1822 -1890 (Voss, 1843)

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)

Lepidopteren : gesammelt auf einer Reise durch Colombia, Ecuador, Perú, Brasilien, Argentinien und Bolivien in den Jahren 1868-1877 - Maassen, J. Peter, 1810 -1890 (A. Asher, 1890)

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

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 Philip Crowley - Crowley, Philip (Waddon House, 1883)

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 - Saunders, Howard, 1835 -1907 (Gurney & Jackson, 1887)

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 - Dresser, H. E. (Henry Eeles), 1838 -1915 (The Author, 1881)

A list of European birds, including all those found in the western palaearctic area - Noble, Heatley. (R.H. Porter, 1898)

List of Irish birds showing the species contained in the Science and Art Museum, Dublin - Dublin (Ireland). Science; Art Museum. (1890)

List of New Guinea birds : a systematic and faunal list of the birds of New Guinea and adjacent islands - Mayr, Ernst, 1904 -2005 (American Museum of Natural History, 1941)

A list of the birds of Australia - Hull, A. F. Basset, Arthur Francis Basset 1862 -1945 (F. Cunninghame for A. Basset Hull, 1909)

A list of the birds of Australia : containing the names and synonyms connected with each genus, species, and subspecies of birds found in Australia, at present known to the author - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1913)

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)

List of the described birds of Mexico, Central America, and the West Indies : not in the collection of the Smithsonian Institution - Smithsonian Institution (The Institution, 1863)

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)

A list of the insectivorous birds of New South Wales / by Alfred J. North - North, Alfred J. (Alfred John), 1855 -1917 (Charles Potter [etc.], Govt. Printer, 1896)

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, 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 - 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)

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)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1833)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1834)

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

The London, Edinburgh and Dublin philosophical magazine and journal of science (Taylor & Francis, 1843)

The London journal of botany : containing figures and descriptions of such plants as recommend themselves by their novelty, rarity, history, or uses : together with botanical notices and information and and occasional portraits and memoirs of eminent botanists - Hooker, William Jackson, Sir, 1785 -1865 (H. Baillière, 1845)

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)

Love's meinie; lectures on Greek and English birds - Ruskin, John, 1819 -1900 (G. Allen, 1881)

Love's meinie. Lectures on Greek and English birds - Ruskin, John, 1819 -1900 (G. Allen, 1897)

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

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

Madras Journal of Literature and Science - Madras Literary Society. (Madras Literary Society, 1844)

Magasin de zoologie, d'anatomie comparée et de palaeontologie (Arthus Bertrand, 1839)

Magasin Encyclopédique : ou journal des sciences, des lettres et des arts (1805)

Magasin Encyclopédique : ou journal des sciences, des lettres et des arts (1807)

Magasin Encyclopédique : ou journal des sciences, des lettres et des arts (1801)

Magasin Encyclopédique : ou journal des sciences, des lettres et des arts (1802)

Magasin Encyclopédique : ou journal des sciences, des lettres et des arts (1803)

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, 1829)

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, 1831)

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, 1833)

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, 1836)

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)