The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 1999)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 2000)

The Echinoderms newsletter - National Museum of Natural History (U.S.). Department of Invertebrate Zoology (Echinoderms) (Dept. of Invertebrate Zoology (Echinoderms), National Museum of Natural History, Smithsonian Institution, 2001)

Echinoderms of Connecticut - Coe, Wesley R. (Wesley Roswell), 1869 -1960 (Printed for the State Geological and Natural History Survey, 1912)

Echinoderms of Connecticut - Coe, Wesley R. (Wesley Roswell), 1869 -1960 (Printed for the State geological and natural history survey, 1912)

The echinoderms of Peru - Clark, Hubert Lyman, 1870 -1947 (1910)

Echinoderms of Tarut Bay and vicinity, Saudi Arabia - Clark, Austin Hobart, 1880 -1954 (American Museum of Natural History, 1949)

Die Echinoidea der Siboga-expedition - Meijere, J. C. H. de (Johannes Cornelis Hendrik) 1866 -1947 (Buchhandlung und druckerei vormals E. J. Brill, 1904)

Echinoidea. Pt. I-II - Mortensen, Theodor, 1868 -1952 (Printed by Bianco Luno, 1903)

Die Echinoiden der Deutschen tiefsee-Expedition - Döderlein, Ludwig, 1855 -1936 (Fischer, 1906)

An ecological characterization of Coastal Maine (north and east of Cape Elizabeth) - U.S. Fish; Wildlife Service (Department of the Interior, U.S. Fish and Wildlife Service, Northeast Region, 1980)

Ecological condition of coastal ocean waters along the U.S. western continental shelf, 2003 - United States. National Marine Fisheries Service. (U.S. Environmental Protection Agency, 2008)

Ecological effects of an artificial island, Rincon Island, Punta Gorda, California - Coastal Engineering Research Center (U.S.) (The Center, 1978)

The ecology of coral reefs : results of a Workshop on Coral Reef Ecology held by the American Society of Zoologists, Philadelphia, Pennsylvania, December 1983 - Reaka-Kudla, Marjorie L. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Oceanic and Atmospheric Research, Office of Undersea Research, 1985)

The ecology of the benthic and endolithic communities of a rocky reef in the kelp beds off Del Monte Beach, Monterey, California - Hoffman, Richard Gurney. (Naval Postgraduate School, 1981)

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

Einführung in die paläontologie - Steinmann, G. (Gustav), 1856 -1929 (W. Engelmann, 1903)

Elementary biology, an introduction to the science of life - Gruenberg, Benjamin C. (Benjamin Charles), 1875 -1965 (Ginn, 1919)

Elementary biology; an introduction to the science of life - Gruenberg, Benjamin C. (Benjamin Charles), 1875 -1965 (Ginn and company, 1924)

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

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

Elementary text-book of zoology - Masterman, Arthur T (E. & S. Livingstone, 1902)

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

Elementary zoology - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (H. Holt and company, 1902)

Elemente der paläontologie bearbeitet - Döderlein, Ludwig, 1855 -1936 (Engelmann, 1890)

Elements of biology - Weisz, Paul B., 1921 - (McGraw-Hill Company of Canada, 1963)

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 biology, with special reference to their rôle in the lives of animals - Buchanan, James William, 1888 -1952 (Harper & brothers, 1933)

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

Die Entwickelung von Ascaris megalocephala mit besonderer Rücksicht auf die Kernverhältnisse - Boveri, Theodor, 1862 -1915 (G. Fischer, 1899)

Environmental assessment of the Alaskan Continental Shelf: Annual reports of principal investigators - United States. Bureau of Land Management. (U.S. Dept. of Commerce, National Oceanic & Atmospheric Administration, Office of Marine Pollution Assessment, 1978)

Environmental studies, South Texas Outer Continental Shelf, biology and chemistry : final report, 1977 - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, 1979)