An elementary course in practical zoölogy - Colton, Buel P. (Buel Preston), 1852 -1906 (D.C. Heath & Company, 1886)

Elementary palæontology for geological students - Woods, Henry, 1868 -1952 (at the University Press, 1893)

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 - 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)

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

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 (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 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)

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

L'embryologie comparée - Roule, Louis, 1861 -1942 (C. Reinwald & Cie, Libraires-Éditeurs, 1894)

Encyclopédie d'histoire naturelle; ou, traité complet de cette science d'après les travaux des naturalistes les plus éminents de tous les pays et de toutes les époques: Buffon, Daubenton, Lacépède, G. Cuvier, F. Cuvier, Geoffroy Saint-Hilaire, Latreille, De Jussieu, Brongniart, etc - Chenu, Jean-Charles, 1808 -1879 (Maresq, 1858)

Encyklopädie der mikrospischen Technik : mit besonderer Berücksichtigung der Färbelehre - Ehrlich, Paul, 1854 -1915 (Urban & Schwarzenberg, 1903)

English cyclopaedia, a new dictionary of universal knowledge - Knight, Charles, 1791 -1873 (Bradbury, 1854)

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

Entomologische Zeitung - Entomologischer Verein in Stettin. (Entomologischer Verein zu Stettin, 1869)

Entomologische Zeitung - Entomologischer Verein in Stettin. (Entomologischer Verein zu Stettin, 1870)

The entomologist's record and journal of variation - Tutt, James William, 1858 -1911 (s.n, 1919)

Ergebnisse der Hamburger Magalhaenischen Sammelreise - Hamburgisches Zoologisches Museum und Institut (L. Friedrichsen, 1898)

Ergebnisse der Hamburger Magalhaensischen Sammelreise 1892/93 - Naturhistorisches Museum in Hamburg. (L. Friederichsen, 1896)

Ergebnisse naturwissenschaftlicher Forschungen auf Ceylon (in ... 1884-86) - Sarasin, Paul, 1856 -1929 (1887)

Erklärungen zu den Zoologischen Wandtafeln - Leuckart, Rudolf, 1823 -1898 (Verlag von Theodor Fischer, 1877)

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)

An essay on classification - Agassiz, Louis, 1807 -1873 (Longman, Brown, Green, Longmans, & Roberts [etc.], 1859)

Essex naturalist : being the journal of the Essex Field Club - Essex Field Club. (The Club, 1901)

Études sur le développement des mollusques. Sur le développement des ptéropodes. Premier mémoire - Fol, Hermann, 1845 -1892 (Centre National de la recherche scientifique, 1875)

Evenings at the microscope - Gosse, Philip Henry, 1810 -1888 (P.F. Collier, 1859)

Evenings at the microscope - Gosse, Philip Henry, 1810 -1888 (P.F. Collier, 1901)

Evenings at the microscope : or, researches among the minuter organs and forms of animal life - Gosse, Philip Henry, 1810 -1888 (D. Appleton, 1860)

Evenings at the microscope : or, Researches among the minuter organs and forms of animal life - Gosse, Philip Henry, 1810 -1888 (Society for Promoting Christian Knowledge, 1877)

Evenings at the microscope, or Researches among the minuter organs and forms of animal life - Gosse, Philip Henry, 1810 -1888 (D. Appleton, 1883)

Evenings at the microscope; or, Researches among the minuter organs and forms of animal life - Gosse, Philip Henry, 1810 -1888 (D. Appleton, 1889)

Evenings at the microscope; or, Researches among the minuter organs and forms of animal life - Gosse, Philip Henry, 1810 -1888 (Society for Promoting Christian Knowledge, 1884)

Evenings at the microscope; or, Researches among the minuter organs and forms of animal life - Gosse, Philip Henry, 1810 -1888 (Society for Promoting Christian Knowledge, 1859)

Evenings at the microscope; or, Researches among the minuter organs and forms of animal life - Gosse, Philip Henry, 1810 -1888 (Society for Promoting Christian Knowledge, 1874)

Evenings at the microscope; or, Researches among the minuter organs and forms of animal life - Gosse, Philip Henry, 1810 -1888 (1859)

Evenings at the microscope; or, Researches among the minuter organs and forms of animal life - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Society for Promoting Christian Knowledge, 1895)

Evolution and animal life; an elementary discussion of facts, processes, laws and theories relating to the life and evolution of animals - Jordan, David Starr, 1851 -1931 (Appleton, 1907)

Evolution and animal life; an elementary discussion of facts, processes, laws and theories relating to the life and evolution of animals - Jordan, David Starr, 1851 -1931 (D. Appleton and Company, 1907)

Evolution in modern thought - Thomson, J. Arthur (John Arthur), 1861 -1933 (Boni and Liveright, 1917)

The evolution of sex - Thomson, J. Arthur (John Arthur), 1861 -1933 (W. Scott, 1889)

The evolution of sex - Thomson, J. Arthur (John Arthur), 1861 -1933 (W. Scott, 1901)

Expéditions scientifiques du Travailleur et du Talisman pendant les années 1880, 1881, 1882, 1883 - Perrier, Edmond, 1844 -1921 (G. Masson, 1902)

Experimental-Zoologie; eine zusammenfassung der durch Versuche ermittelten Gesetzmäszigkeiten tierischer formen und Verrichtungen - Przibram, Hans, 1874 -1944 (Franz Deuticke, 1908)

The fauna and flora about Coldspring Harbor, L.I - Davenport, Charles Benedict, 1866 -1944 (1898)