Elementary entomology - Jackson, C. F. (Cicero Floyd), 1882 - (Ginn and Company, 1912)

Elementary general science - Hodgdon, Daniel Russell, 1885 - (Hinds, Hayden & Eldredge, 1919)

The elementary principles of general biology - Abbott, James Francis, 1876 -1926 (The Macmillan company, 1914)

The elementary principles of general biology - Abbott, James Francis, 1876 -1926 (The Macmillan company, 1920)

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

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 ecology - Clarke, George L. (George Leonard), 1905 -1987 (Wiley, 1954)

Elements of general science - Caldwell, Otis W. (Otis William), 1869 -1947 (Ginn, 1914)

Elements of general science - Caldwell, Otis W. (Otis William), 1869 -1947 (Ginn, 1918)

Elements of natural history, adapted to the present state of the science, containing the generic characters of nearly the whole animal kingdom, and the descriptions of the principal species - Stark, J. (W. Blackwood; [etc., etc.], 1828)

The elements of physiology for schools - Coleman, Walter Moore, 1863 -1926 (The Macmillan company, 1903)

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

L'elmintologia italiana da' suoi primi tempi all'anno 1910. Bibliografia. Sistematica. Corologia. Storia ... - Parona, Corrado, 1848 -1922 (Tip. di G. Gaddi, 1911)

Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching - Johannsen, O. A. (Oskar Augustus), 1870 -1961 (McGraw-Hill Book Company, inc, 1941)

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, 1859)

Entomologia de catalunya : dipters neurópters - Institut d'Estudis Catalans. Institut de Ciencies. Barcelona. (Institut d'Estudis Catalans, Palau de la Generalitat, 1914)

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The Entomological magazine (Frederick Westley and A.H. Davis, 1834)

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

Entomological news - American Entomological Society. (American Entomological Society, 1925)

Entomological news - American Entomological Society. (American Entomological Society, 1926)

Entomological news - American Entomological Society. (American Entomological Society, 1827)

Entomological news - American Entomological Society. (American Entomological Society, 1928)

Entomological news - American Entomological Society. (American Entomological Society, 1930)

Entomological news - American Entomological Society. (American Entomological Society, 1931)

Entomological news - American Entomological Society. (American Entomological Society, 1932)

Entomological news - American Entomological Society. (American Entomological Society, 1933)

Entomological news - American Entomological Society. (American Entomological Society, 1934)

Entomological news - American Entomological Society. (American Entomological Society, 1935)

Entomological news - American Entomological Society. (American Entomological Society, 1936)

Entomological news - American Entomological Society. (American Entomological Society, 1937)

Entomological news - American Entomological Society. (American Entomological Society, 1938)

Entomological news - American Entomological Society. (American Entomological Society, 1939)

Entomological news - American Entomological Society. (American Entomological Society, 1940)

Entomological news - American Entomological Society. (American Entomological Society, 1941)

Entomological news - American Entomological Society. (American Entomological Society, 1942)

Entomological news - American Entomological Society. (American Entomological Society, 1943)

Entomological news - American Entomological Society. (American Entomological Society, 1944)

Entomological news - American Entomological Society. (American Entomological Society, 1945)

Entomological news - American Entomological Society. (American Entomological Society, 1946)