The ecology and migrations of sea turtles. 1, Results of field work in Florida, 1955 - Caldwell, David K.‏ (David Keller),‏ ‎ 1928 -1990 (American Museum of Natural History, 1956)

The ecology and migrations of sea turtles. 6, The hawksbill turtle in the Caribbean Sea - Ogren, Larry H. (American Museum of Natural History, 1966)

The ecology and migrations of sea turtles. 3, Dermochelys in Costa Rica - Ogren, Larry H. (American Museum of Natural History, 1959)

The ecology and migrations of sea turtles. 5, Comparative features of isolated green turtle colonies - Carr, Archie, 1909 -1987 (American Museum of Natural History, 1962)

The Ecology of arboreal folivores : a symposium held at the Conservation and Research Center, National Zoological Park, Smithsonian Institution, May 29-31, 1975 - Montgomery, G. Gene (Gerald Gene) (Smithsonian Institution Press, 1978)

Edinburgh encyclopaedia (Blackwood, 1830)

Edinburgh Journal of Natural and Geographical Sciences (1829)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1830)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1833)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1834)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1842)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1847)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1851)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1852)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1854)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1856)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1860)

Education through nature study; foundations & methods - Munson, John P. (Kellogg, 1903)

Das Elbthalgebirge in Sachsen / von Hanns Bruno Geinitz - Geinitz, Hanns Bruno, 1814 -1900 (T. Fischer, 1874)

Das Elbthalgebirge in Sachsen / von Hanns Bruno Geinitz - Geinitz, Hanns Bruno, 1814 -1900 (T. Fischer, 1872)

Elementary biology, an introduction to the science of life - Gruenberg, Benjamin C. (Benjamin Charles), 1875 -1965 (Ginn, 1919)

Elementary biology; an introduction to the science of life - Gruenberg, Benjamin C. (Benjamin Charles), 1875 -1965 (Ginn and company, 1924)

An elementary manual of zoology, designed for the use of forest officers in India. Prepared for the Forest Department of India - Cotes, Everard (Office of the Supt., Govt. Print. India, 1893)

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (Macmillan, 1890)

Elementary text-book of zoology - Parsons, John Herbert, Sir, 1868 -1957 (E. & S. Livingstone, 1901)

Elementary text-book of zoology - Masterman, Arthur T (E. & S. Livingstone, 1902)

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (W. Swan Sonnenschein, 1885)

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (W. S. Sonnenschein, 1884)

Elementary text-book of zoology : special part : mollusca to man - Claus, Carl, 1835 -1899 (Swan Sonnenschein, 1897)

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (Macmillan, 1884)

Elementary textbook of economic zoology and entomology - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (H. Holt and company, 1915)

Elementary zoology - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (H. Holt and company, 1902)

Elemente der palaeontologie : (Palaeozoologie) / von Rudolf Hoernes - Hoernes, Rudolf, 1850 -1912 (1884)

Éléments de la faune Açoréenne - Drouët, Henri, 1829 -1900 (J.B. Baillière & Fils ; J. Rothschild, 1864)

The elements of animal biology - Holmes, Samuel J. (Samuel Jackson), 1868 -1964 (P. Blakiston's son & co, 1919)

Elements of biology; a practical text-book correlating botany, zoology, and human physiology - Hunter, George W. (George William), 1873 -1948 (American book company, 1907)

Elements of Comparative Anatomy - Bell, F. J. (Francis Jeffrey), 1855 -1924 (1878)

Elements of comparative anatomy - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Macmillan, 1878)

Elements of comparative anatomy - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Macmillan and Co, 1878)

Elements of herpetology, and of ichthyology : prepared for the use of schools and colleges - Comté, Achille, 1802 -1866 (Grigg & Elliot, 1844)

Elements of natural history, adapted to the present state of the science, containing the generic characters of nearly the whole animal kingdom, and the descriptions of the principal species - Stark, J. (W. Blackwood; [etc., etc.], 1828)

Elements of natural history : embracing zoology, botany and geology for schools, colleges and families - Ruschenberger, W. S. W. (William Samuel Waithman), 1807 -1895 (Claxton, Remsen & Haffelfinger, 1871)

Elements of physiology - Rudolphi, Karl Asmund, 1771 -1832 (printed for Lomgman, Hurst, Rees, Orme, Brown, and Green, 1825)

Elements of physiology - Baly, William, 1814 -1861 (Taylor & Walton, 1838)

Elements of physiophilosophy - Oken, Lorenz, 1779 -1851 (Ray Society, 1847)

Elements of pysiophilosophy - Oken, Lorenz, 1779 -1851 (Printed for the Ray society, 1847)

Elements of the comparative anatomy of the vertebrate animals - Wagner, Rudolph, 1805 -1864 (Longman, Brown, Green & Longman, 1845)

Elements of the comparative anatomy of the vertebrate animals : designed especially for the use of students - Wagner, Rudolph, 1805 -1864 (J.S. Redfield, 1845)