The land-birds and game-birds of New England with descriptions of the birds, their nests and eggs, their habits and notes - Brewster, William, 1851 -1919 (Houghton, Mifflin, 1903)

The land-birds and game-birds of New England; with descriptions of the birds, their nests and eggs, their habits and notes ... - Minot, H. D. (Henry Davis), 1859 -1890 (Naturalist's agency, 1877)

The land-birds and game-birds of New England; with descriptions of the birds, their nests and eggs, their habits and notes, with illustrations - Minot, H. D. (Henry Davis), 1859 -1890 (Houghton, Mifflin, 1895)

Land birds of northern New York : a pocket guide to common land birds of the St. Lawrence Valley and the lowlands in general of northern New York - Sawyer, Edmund J. (Edmund Joseph), 1880 -1971 (Pub. under the auspices of the Watertown Bird Club, 1916)

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, Imperial County, 1921 - Huey, Laurence M. (Laurence Markham), 1892 -1963 (1921)

Leaf and tendril - Burroughs, John, 1837 -1921 (Houghton Mifflin, 1908)

Das Leben der europäischen Kuckucke : nebst Beiträgen zur Lebenskunde der übrigen parasitischen Kuckucke und Stärlinge - Baldamus, A. C. Eduard (August Carl Eduard), 1812 -1893 (Verlag von Paul Parey, 1892)

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

Lehrbuch der Mikrobiologie, mit besonderer Berücksichtigung der Seuchenlehre. Unter Mitwirkung von O. Bail [et al.] Hrsg. von Ernst Friedberger und Richard Pfeiffer - Pfeiffer, Richard, 1858 -1945 (G. Fischer, 1919)

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

Lehrbuch der Physiologie des Menschen : einschliesslich der Histologie und mikroskopischen Anatomie mit besonderer Berücksichtigung der praktischen Medicin - Landois, L. (Leonard), 1837 -1902 (Urban & Schwarzenberg, 1891)

Lehrbuch der Physiologie des thierischen Organismus : im speciellen des Menschen - Royal College of Physicians of Edinburgh. (F. Enke, 1894)

Lehrbuch der Physiologie für akademische Vorlesungen und zum Selbstudium - Wagner, Rudolph, 1805 -1864 (L. Voss, 1885)

Lehrbuch der Physiologie - Hermann, Ludimar, 1838 -1914 (A. Hirschwald, 1886)

Lehrbuch der physiologischen Chemie - Hammarsten, Olof, 1841 -1932 (J. F. Bergmann, 1891)

Lehrbuch der physiologischen Chemie - Gorup-Besánez, Eugen Franz Seraphin, Freiherr von, 1817 -1878 (Vieweg, 1878)

Lehrbuch der physiologischen Chemie - Hammarsten, Olof, 1841 -1932 (J.F. Bergmann, 1895)

Lehrbuch der physiologischen Chemie - Hammarsten, Olof, 1841 -1932 (J.F. Bergmann, 1899)

Lehrbuch der physiologischen und pathologischen Chemie ; in fünfundzwanzig Vorlesungen für Ärzte und Studirende - Bunge, Gustav von, 1844 -1920 (F.C.W. Vogel, 1894)

Lehrbuch der Toxikologie für Tierärzete - Fröhner, Eugen, 1858 -1940 (F. Enke, 1910)

Lehrbuch der vergleichenden Entwickelungsgeschichte der niederen Wirbeltiere in systematischer Reihenfolge und mit Berücksichtigung der experimentellen Embryologie - Ziegler, H. E. (Heinrich Ernst), 1858 -1925 (G. Fischer, 1902)

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

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

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

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1872)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1880)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1884)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1886)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1888)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1892)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1894)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1902)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1906)

Leopoldina - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmann & Sohn, 1919)

Life and human nature - Fuller, Bampfylde, Sir, 1854 -1937 (J. Murray, 1914)

Life histories of Central American highland birds - Skutch, Alexander F. (Alexander Frank), 1904 -2004 (The Club, 1967)

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)

Life-histories of the birds of eastern Pennsylvania - Gentry, Thomas G. (Thomas George), 1843 -1905 (Published by the author, 1876)

Life-histories of the birds of eastern Pennsylvania - Gentry, Thomas G. (Thomas George), 1843 -1905 (Pub. by the author, 1876)

Life in its lower, intermediate, and higher forms; or, Manifestations of the divine wisdom in the natural history of animals - Gosse, Philip Henry, 1810 -1888 (R. Carter, 1860)

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

Life zones and crop zones of New Mexico - Bailey, Vernon, 1864 -1942 (G.P.O, 1913)

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

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

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

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. (Published by the author, 1917)

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)