By Agar, Wilfred Eade, 1882- . Genre Cells . Names animals / ascaris / type / plants / musca and 3041 more

By Agassiz, Elizabeth Cabot Cary, 1822-1907 / Agassiz, Louis, 1807-1873 / Agassiz, Louis, 1807-1873 . Genre Agassiz, Louis1807-1873 . Names sea / life / animals / america / order and 2399 more

By Osborn, Henry Fairfield, 1857-1935 . Genre Evolution / History . Names life / animals / idea / plants / animal and 2469 more

By Bailey, L. H. (Liberty Hyde), 1858-1954 . Genre Agriculture . Names soil / plants / animal / animals / seeds and 4351 more

By Blakeslee, Albert Francis, 1874-1954 / Jarvis, Chester Deacon, 1876-1948 . Genre Trees . Names bark / fruit / trunk / leaves / wood and 6853 more

By Holder, Charles Frederick, 1851-1915 . Genre n-us--- / Fishing / United States / Fishes / United States . Names fish / sea / tarpon / california / beach and 4693 more

By Campbell, Lewis, 1830-1908 / Garnett, William, 1850-1932 / Maxwell, James Clerk, 1831-1879 . Genre Maxwell, James Clerk1831-1879 . Names life / called / order / class / eye and 1484 more

By Muir, Robert, 1864- / Ritchie, James, 1864-1923 . Genre Bacteriology / Laboratory manuals . Names bacteria / bacillus / bacilli / animals / animal and 7070 more

By Bower, F. O. (Frederick Orpen), 1855-1948 / Vines, Sydney Howard, 1849-1934 . Genre Botany . Names apex / leaves / axis / pollen / type and 2249 more

By Huxley, Thomas Henry, 1825-1895 . Genre Science . Names life / idea / order / called / simple and 759 more