An elementary text-book of biology, comprising vegetable and animal morphology and physiology - Ainsworth-Davis, J. R. (James Richard), 1861 -1934 (Charles Griffin, 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, general part and special part: protozoa to insecta - Claus, Carl, 1835 -1899 (Swan Sonnenschein, 1892)

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)

Die Elemente der Entwicklungslehre des Menschen und der Wirbeltiere : Anleitung und Repetitorium für Studierende und Aertze - Hertwig, Oscar, 1849 -1922 (G. Fischer, 1900)

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

Elemente der paläontologie bearbeitet - Döderlein, Ludwig, 1855 -1936 (Engelmann, 1890)

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

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 comparative zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt and Company, 1904)

Elements of comparative zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt and Company, 1897)

Elements of the comparative anatomy of vertebrates - Wiedersheim, Robert, 1848 -1923 (Macmillan, 1886)

Elements of the comparative anatomy of vertebrates - Wiedersheim, Robert, 1848 -1923 (Macmillan, 1897)

Elements of the comparative anatomy of vertebrates - Wiedersheim, Robert, 1848 -1923 (MacMillan, 1886)

Elements of the comparative anatomy of vertebrates - Wiedersheim, Robert, 1848 -1923 (Macmillan and co, 1886)

Elements of zoology - Holder, Joseph B. (Joseph Bassett), 1824 -1888 (D. Appleton and Company, 1886)

Elements of zoology - Holder, Joseph B. (Joseph Bassett), 1824 -1888 (American book company, 1885)

The elephant's head : studies in the comparative anatomy of the organs of the head of the Indian elephant and other mammals - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 (s.n.], 1908)

Endocrinology - Association for the Study of Internal Secretions (U.S.) (Association for the Study of Internal Secretions, 1917)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1945)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1950)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1953)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1954)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1956)

Entomological news - American Entomological Society. (American Entomological Society, 1977)

Entomologische berichten - Nederlandse Entomologische Vereniging (1978)

The Eocene and Oligocene beds of the Paris basin - Burrows, Henry W. (Henry William), 1858 -1941 (University college, E. Stanford, 1891)

Equidæ of the Oligocene, Miocene and Pliocene of North America, iconographic type revision - Osborn, Henry Fairfield, 1857 -1935 (1918)

Essai d'une reponse a la question de prix proposee en 1850 par l'Academie des sciences pour le concours de 1853, et puis remise pour celui de 1856, savoir : Etudier les lois de la distribution des corps organises fossiles dans differents terrains sedimentaires, suivant l'ordre de leur superposition, discuter la question de leur apparition ou de leur disaprition successive ou simultanee, rechercher la nature des rapports qui existent entre l'etat actuel du r`egne organique et ses etats anterieurs - Bronn, H. G. (Heinrich Georg), 1800 -1862 (Mallet-Bachelier, 1861)

Essays and observations on natural history, anatomy, physiology, psychology, and geology - Owen, Richard, 1804 -1892 (J. Van Voorst, 1861)

Essays on museums and other subjects connected with natural history, by Sir William Henry Flower - Flower, William Henry, 1831 -1899 (Macmillan, 1898)

Essays on various subjects - Collingwood, Cuthbert, 1826 -1908 (H. Greenwood, 1861)

Essentials of zoology, emphasizing principles of animal biology - Potter, George Edwin, 1898 - (Mosby, 1948)

Estimating body mass in New World "monkeys" (Platyrrhini, Primates), with a consideration of the Miocene platyrrhine, Chilecebus carrascoensis - Wyss, André R. (American Museum of Natural History, 2008)

Estudos sobre ixódidas do Brasil (Trabalho do Instituto Oswaldo Cruz) - Rohr, Carlos Jorge. (Gomes, Irmão & c., succ. de M. Orosco & c, 1909)

Eupetaurus and the living petauristine sciurids - McKenna, Malcolm C. (American Museum of Natural History, 1962)

Evolution and its modern critics - Davies, A. Morley (Arthur Morley), 1869 -1959 (Thomas Murby & Co, 1937)

Evolution in science, philosophy, and art. Popular lectures and discussions before the Brooklyn Ethical Association - Brooklyn Ethical Association. (D. Appleton, 1891)

Evolution of life - Chapman, Henry C. (Henry Cadwalader), 1845 -1909 (1873)

The evolution of living organisms - Goodrich, Edwin S. (Edwin Stephen), 1868 -1946 (T.C. & E.C. Jack, 1919)

Evolution of mammalian molar teeth to and from the triangular type including collected and revised researches trituberculy and new sections on the forms and homologies of the molar teeth in the different orders of mammals - Osborn, Henry Fairfield, 1857 -1935 (Macmillan, 1907)