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 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 physiology - Baly, William, 1814 -1861 (Taylor & Walton, 1838)

Elements of zoology - Holder, Joseph B. (Joseph Bassett), 1824 -1888 (American book company, 1885)

Elements of zoology: for schools and science classes - Harbison, M. (G. P. Putnam's sons, 1873)

Elements of zoölogy : a textbook - Tenney, Sanborn, 1827 -1877 (Scribner, 1875)

Enchiridion generum animalium - Fischer von Waldheim, Gotthelf, 1771 -1853 (s.n.], 1823)

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

The Entomological magazine (Frederick Westley and A.H. Davis, 1836)

The Entomological magazine (Frederick Westley and A.H. Davis, 1835)

The entomological magazine (Frederick Westley and A.H. Davis, 1832)

Entomological news - American Entomological Society. (American Entomological Society, 1978)

Entomologische berichten - Nederlandse Entomologische Vereniging (2012)

Entozoa, an introduction to the study of helminthology, with reference more particularly to the internal parasites of man - Cobbold, T. Spencer (Thomas Spencer), 1828 -1886 (Groombridge, 1864)

Entozoorum, sive vermium intestinalium : historia naturalis / auctore Carolo Asmundo Rudolphi - Rudolphi, Karl Asmund, 1771 -1832 (Sumtibus Tabernae Librariae et Artium, 1808)

Entozoorum, sive vermium intestinalium : historia naturalis / auctore Carolo Asmundo Rudolphi - Rudolphi, Karl Asmund, 1771 -1832 (Sumtibus Tabernae Librariae et Artium, 1809)

Entozoorum synopsis cui accedunt mantissa duplex et indices locupletissimi - Rudolphi, Karl Asmund, 1771 -1832 (Sumtibus A. Rücker, 1819)

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

Essay on classification - Agassiz, Louis, 1807 -1873 (Belknap Press of Harvard University Press, 1962)

Essays in the natural sciences in honor of Captain Allan Hancock, on occasion of his birthday, July 26, 1955 - Allan Hancock Foundation. (University of Southern California Press, 1955)

Essentials of biology presented in problems - Hunter, George W. (George William), 1873 -1948 (American Book Company, 1911)

Essentials of biology presented in problems - Hunter, George W. (George William), 1873 -1948 (American book company, 1911)

Essentials of biology presented in problems, by George William Hunter - Hunter, George W. (George William), 1873 -1948 (American book company, 1911)

Essentials of tropical medicine - Masters, Walter Edgar. (J. Bale, sons & Danielsson, ltd, 1920)

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)

European Journal of Taxonomy - Institut royal des sciences naturelles de Belgique. (MNHN, 2012)

Evolution of life - Chapman, Henry C. (Henry Cadwalader), 1845 -1909 (1873)

The evolution of man - Haeckel, Ernst, 1834 -1919 (D. Appleton and company, 1897)

The evolution of man : a popular exposition of the principal points of human ontogeny and phylogeny - Haeckel, Ernst, 1834 -1919 (D. Appleton, 1879)

The evolution of man: a popular exposition of the principal points of human ontogeny and phylogeny - Haeckel, Ernst, 1834 -1919 (C. K. Paul & co, 1879)

The evolution of man: a popular exposition of the principal points of human ontogeny and phylogeny - Haeckel, Ernst, 1834 -1919 (Fowle, 1892)

The evolution of man, a popular scientific study - Haeckel, Ernst, 1834 -1919 (Putnam, 1910)

The evolution of man : a popular exposition of the principal points of human ontogeny and phylogeny - Haeckel, Ernst, 1834 -1919 (Appleton, 1879)

The evolution of man: a popular exposition of the principal points of human ontogeny and phylogeny. From the German of Ernst Haeckel - Haeckel, Ernst, 1834 -1919 (D. Appleton and Co, 1897)

The evolution of man: a popular exposition of the principal points of human ontogeny and phylogeny - Haeckel, Ernst, 1834 -1919 (D. Appleton and company, 1898)

The evolution of man: a popular exposition of the principal points of human ontogney phylogeny - Haeckel, Ernst, 1834 -1919 (Werner Co, 1876)

The evolution of man: a popular exposition of the principal points of human ontogeny and phylogeny - Haeckel, Ernst, 1834 -1919 (Kegan Paul, Trench & Co, 1883)

The evolution of man; a popular scientific study - McCabe, Joseph, 1867 -1955 (P. Eckler, publisher, 1906)