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

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)

Elementary zoology - Beddard, Frank E. (Frank Evers), 1858 -1925 (Longmans, Green, and Co, 1898)

Eléments d'anatomie comparée - Royal College of Physicians of Edinburgh. (J.-B. Baillière, 1893)

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

Elements of biology - Weisz, Paul B., 1921 - (McGraw-Hill Company of Canada, 1963)

Elements of biology, with special reference to their rôle in the lives of animals - Buchanan, James William, 1888 -1952 (Harper & brothers, 1933)

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, to accompany the field and laboratory study of animals - Davenport, Charles Benedict, 1866 -1944 (Macmillan, 1911)

Engineering and ecological evaluation of artificial-island design, Rincon Island, Punta Gorda, California - Coastal Engineering Research Center (U.S.) (U.S. Coastal Engineering Research Center, 1974)

Enteropneusta from the South Pacific, with notes on the West Indian species - Willey, Arthur, 1867 -1942 (University Press, 1900)

Die Enteropneusten des Golfes von Neapel und der angrenzenden Meeres-Abschnitte - Spengel, Johann Wilhelm, 1852 -1921 (Verlag von R. Friedländer & Sohn, 1893)