Education through nature study; foundations & methods - Munson, John P. (Kellogg, 1903)

Eesti Looduseuurijate Seltsi aastaraamat - Eesti Looduseuurijate Selts. (Valgus, 1908)

The effect of seston on the life history, growth, and distribution of Neureclipsis bimaculata (Trichoptera : Polycentropodidae) in a boreal river - Richardson, John, 1946 - (University of Alberta, Dept. of Zoology, 1983)

Effect of the operation of Kerr and Hungry Horse Dams on the reproductive success of Kokanee in the Flathead system : final report, FY 1987 - Montana. Department of Fish, Wildlife,; Parks ([U.S. Dept. of Energy, Bonneville Power Administration, Division of Fish & Wildlife [and] Montana Dept. of Fish, Wildlife, and Parks, 1988)

The effects of inanition and malnutrition upon growth and structure - Jackson, Clarence Martin, 1875 -1947 (P. Blakiston's son & co, 1925)

The Effects of supersaturation of dissolved gases on the fishery of the Bighorn River downstream of the Yellowtail Afterbay Dam - Montana Cooperative Fishery Research Unit. (Cooperative Fishery Research Unit, Montana State University, 1988)

The Effects of supersaturation of dissolved gases on the fishery of the Bighorn River downstream of the Yellowtail Afterbay Dam : completion report - White, Robert G. (Robert George), 1940 - (U.S. Fish and Wildlife Service, Montana Cooperative Fishery Research Unit, Montana State University, 1991)

Effects of the rays of radium on plants - Gager, C. Stuart (Charles Stuart), 1872 -1943 (1908)

Effects of zebra mussels on chlorophyll, nitrogen, phosphorus and silica in north shore waters of Lake Erie - Ontario. Ministry of Environment; Energy. (Ontario Ministry of Environment and Energy, 1997)

Effects on fishes of changes within the Kananaskis River system - Nelson, Joseph S. (Joseph Schieser), 1937 - (1962)

Die einfachsten lebensformen. Systematische naturgeschichte der mikroskopischen süsswasserbewohner - Eyferth, B. (Bruno), 1826 -1897 (Gebrüder Haering, 1878)

Die einfachsten Lebensformen des Thier- und Pflanzenreiches : Naturgeschichte der mikroskopischenSüsswassbewohner - Eyferth, B. (Bruno), 1826 -1897 (Goeritz und zu Putlitz, 1885)

Einführung in die Vererbungswissenschaft in zwanzig Vorlesungen für Studierende, Ärzte, Züchter - Goldschmidt, Richard, 1878 -1958 (W. Engelmann, 1911)

Einführung in die Vererbungswissenschaft; in zweiundzwanzig Vorlesungen für Studierende, Aerzte, Züchter - Goldschmidt, Richard, 1878 -1958 (Engelmann, 1913)

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

An elementary text-book of the microscope; including a description of the methods of preparing and mounting objects, etc - Griffith, J. W. (John William) (J. Van Voorst, 1864)

An elementary text-book of the microscope; including a description of the methods of preparing and mounting objects, etc - Griffith, J. W. (John William) (John Von Voorst, 1864)

Elementary text-book of zoology - Parsons, John Herbert, Sir, 1868 -1957 (E. & S. Livingstone, 1901)

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 - 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 zoology - Beddard, Frank E. (Frank Evers), 1858 -1925 (Longmans, Green, and Co, 1898)

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

The elements of animal biology - Holmes, Samuel J. (Samuel Jackson), 1868 -1964 (P. Blakiston's son & co, 1919)

Elements of biology; a practical text-book correlating botany, zoology, and human physiology - Hunter, George W. (George William), 1873 -1948 (American book company, 1907)

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

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)

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

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

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

Embryologische Studien an Medusen : Ein Beitrag zur Genealogie der Primitiv-organe - Metchnikoff, Élie, 1845 -1916 (A. Hölder, 1886)

The embryology and metamorphosis of the Macroura - National Academy of Sciences (U.S.) (National Academy of Sciences, 1891)

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)

Encyclopédie méthodique. Histoire naturelle des animaux - Latreille, P. A. (Pierre André), 1762 -1833 (Chez Panckoucke, Imprimeur-Libraire, hôtel de Thou, rue des Poitevins, 1791)

Encyclopédie méthodique. Histoire naturelle des animaux - Latreille, P. A. (Pierre André), 1762 -1833 (Chez Panckoucke, Imprimeur-Libraire, hôtel de Thou, rue des Poitevins, 1792)

Energy and environmental stress in aquatic systems : selected papers from a symposium held at Augusta, Georgia, November 2-4, 1977 - Gibbons, J. Whitfield, 1939 - (Technical Information Center, U.S. Dept. of Energy, 1978)

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

Entomographien : untersuchungen in dem gebiete der entomologie, mit besonderer benutzung der königl. sammlung zu Berlin - Erichson, W. F. (Wilhelm Ferdinand), 1809 -1848 (F. H. Morin, 1840)

Entomographien, untersuchungen in dem gebiete der entomologie, mit besonderer benutzung der königl. sammlung zu Berlin - Erichson, W. F. (Wilhelm Ferdinand), 1809 -1848 (F.H. Morin, 1840)

Entomologia systematica emandata et aucta. Secundum classes, ordines, genera, species adjectis synonimis, locis, observationibus descriptionibus - Fabricius, Johann Christian, 1745 -1808 (impensis Christ. Gottl. Proft, 1792)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1927)

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

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

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

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

Entomological news - American Entomological Society. (American Entomological Society, 1949)

Entomological news - American Entomological Society. (American Entomological Society, 1973)

Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia - American Entomological Society. ([Entomological Rooms of the Academy of Natural Sciences], 1913)

Entomologische berichten - Nederlandse Entomologische Vereniging (1968)

Entomologische berichten - Nederlandse Entomologische Vereniging (2005)

Entomologische berichten - Nederlandse Entomologische Vereniging (2008)

Entomologische Mitteilungen - Deutsches Entomologisches Institut der Kaiser Wilhelm-gesellschaft. (Deutsches Entomologisches Institut der Kaiser Wilhelm-gesellschaft, 1919)

Entomologisk tidskrift - Entomologiska föreningen i Stockholm (Jacob Spångberg, 1889)

Entomologisk tidskrift - Entomologiska föreningen i Stockholm (Jacob Spångberg, 1893)

Entomologisk tidskrift - Entomologiska föreningen i Stockholm (Jacob Spångberg, 1892)