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

Essentials of zoology for students of medicine and first year students of science - Meek, Alexander, 1865 - (Longmans, Green and co, 1922)

Estestvennai︠a︡ istorii︠a︡ nalivochnykh zhivotnykh : i sostavlennai︠a︡ preimushchestvenno iz nabli︠u︡deniǐ Ėrenberga / S. Kutorga - Kutorga, S. (Stepan), 1805? -1861 (1839)

Etudes sur les infusoires d'eau douce - Penard, Eugène, 1855 -1954 (Georg, 1922)

Études sur les infusoires et les rhizopodes - Claparède, René-Édouard, 1832 -1871 (H. Georg, 1868)

Etudes sur les infusoires et les rhizopodes - Claparède, René-Édouard, 1832 -1871 (Kessmann, 1860)

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 (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, 1860)

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 (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 (1859)

The evolution of animal intelligence - Holmes, Samuel J. (Samuel Jackson), 1868 -1964 (H. Holt and company, 1911)

Evolution: process and product - Dodson, Edward O. (Edward Ottway), 1916 - (Reinhold, 1960)

The evolution theory - Thomson, J. Arthur (John Arthur), 1861 -1933 (E. Arnold, 1904)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1909)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1911)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1912)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1917)

Experiment station record - United States. Office of Experiment Stations. (G.P.O, 1920)

Experimental embryology; techniques and procedures - Rugh, Roberts, 1903 -1978 (Burgess Pub. Co, 1962)

Experimental morphology - Davenport, Charles Benedict, 1866 -1944 (The Macmillan company, 1897)

Experimental morphology - Davenport, Charles Benedict, 1866 -1944 (MacMillan, 1908)

Experimental morphology - Davenport, Charles Benedict, 1866 -1944 (The Macmillan Company, 1908)