Ecological evaluation of a beach nourishment project at Hallandale (Broward County), Florida - Coastal Engineering Research Center (U.S.) (The Center, 1980)

An Ecological survey in the eastern Chukchi Sea : September-October 1970 - Ingham, Merton C., 1930 - (U.S. Coast Guard Oceanographic Unit, 1972)

Ecology and distribution of the Benthic community on the Monterey breakwater, Monterey, California - Busch, Steven J. (Naval Postgraduate School, 1981)

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)

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

Elementarcurs der zootomie in fünfzehn vorlesungen - Hatschek, Berthold, 1854 - (G. Fischer, 1896)

An elementary manual of zoology, designed for the use of forest officers in India. Prepared for the Forest Department of India - Cotes, Everard (Office of the Supt., Govt. Print. India, 1893)

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 studies in insect life - Hunter, Samuel John, 1866 -1946 (Crane & company, 1902)

An elementary text-book of biology, comprising vegetable and animal morphology and physiology - Ainsworth-Davis, J. R. (James Richard), 1861 -1934 (Charles Griffin, 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)