Electro-physiology - Welby, Frances A. (Frances Alice) (Macmillan, 1896)

Elektrobiologie, die Lehre von den elektrischen Vorgängen im Organismus auf moderner Grundlage dargestellt - Bernstein, Julius, 1839 -1917 (F. Vieweg, 1912)

Elektrophysiologie - Biedermann, W. (Wilhelm), 1852 -1929 (Fischer, 1895)

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

An elementary course of practical zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and Co., Limited, 1900)

An elementary course of practical zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1908)

An elementary course of practical zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1920)

An elementary course of practical zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., ltd, 1922)

The elementary nervous system - Parker, George Howard, 1864 -1955 (J.B. Lippincott Company, 1919)

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 - Claus, Carl, 1835 -1899 (Macmillan, 1890)

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

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (W. Swan Sonnenschein, 1885)

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. 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 : special part : mollusca to man - Claus, Carl, 1835 -1899 (Swan Sonnenschein, 1897)

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (Macmillan, 1884)