Electro-physiology - Welby, Frances A. (Frances Alice) (Macmillan, 1896)

Die elektrischen Fische : nach neuen Untersuchungen anatomisch-zoologisch dargestellt - Fritsch, Gustav, 1838 -1891 (von Veit, 1887)

Elektrophysiologie - Biedermann, W. (Wilhelm), 1852 -1929 (Fischer, 1895)

Élémens de zoologie, ou, Leçons sur l'anatomie, la physiologie, la classification et les moeurs des animaux - Milne-Edwards, H. (Henri), 1800 -1885 (Fortin, Masson et Cie, 1841)

Elementarcurs der zootomie in fünfzehn vorlesungen - Hatschek, Berthold, 1854 - (G. Fischer, 1896)

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

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

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

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 text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote - Claus, Carl, 1835 -1899 (Swan Sonnenschein & co, 1892)

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

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

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

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

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

The elements of experimental embryology - Huxley, Julian, 1887 -1975 ([Hafner Pub. Co.], 1963)

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

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

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)