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 - 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 (Macmillan, 1890)

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

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)

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 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)

Endangered and threatened plants and animals of North Carolina : proceedings of the Symposium on Endangered and Threatened Biota of North Carolina, 1, biological concerns, Meredith College, Raleigh, November 7-8, 1975 - North Carolina State Museum of Natural History. (N.C. State Museum of Natural History, 1977)

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.], 1942)

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, 1940)

Entomological news - American Entomological Society. (American Entomological Society, 1950)

Entomological news - American Entomological Society. (American Entomological Society, 1987)

Entomologische berichten - Nederlandse Entomologische Vereniging (1978)

An environmental profile of the Black Sea Coast - Gillett, Harriet J. (WCMC, 1997)

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

Eomakhaira molossus, a new saber-toothed sparassodont (Metatheria: Thylacosmilinae) from the early Oligocene (?Tinguirirican) Cachapoal locality, Andean Main Range, Chile - Wyss, André R. (American Museum of Natural History, 2020)

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)