By Sturgis, Bertha Bement. . Genre Birds / Panama . Names panama / eye / island / spotted / iris and 3152 more

By Huidekoper, Rush Shippen, 1854-1901 . Genre Domestic animals / Age / Teeth . Names age / animals / animal / horse / intermediate and 2269 more

By Thomas, William Beach, Sir, 1868-1957 / Collet, Anthony Keeling, 1877- . Genre Birds / Great Britain / Birds / Pictorial works . Names sea / wood / life / grass / leaves and 1177 more

By Bate, C. Spence (Charles Spence), 1818-1889 / Westwood, J. O. (John Obadiah), 1805-1893 . Names mus / animal / xx / amphipoda / gammarus and 3175 more

By Theakston, Michael. . Genre Flies, Artificial . Names fish / feather / class / smelt / beetle and 498 more

Genre Geology / Periodicals . Names fossils / sea / rock / island / order and 6457 more

Genre Science / Periodicals . Names life / order / type / plants / age and 11578 more

By Bayne, Peter, 1830-1896 / Miller, Hugh, 1802-1856 . Genre Miller, Hugh1802-1856 / Geologists / Biography / Geologists / Correspondence . Names life / sea / none / eye / class and 1120 more

By Lang, Arnold, 1855-1914 / Bernard, Henry Meyners / Bernard, Matilda / Haeckel, Ernst Heinrich Philipp August, 1834-1919 . Genre Anatomy, Comparative . Names called / ctenidium / animal / order / area and 6040 more

By Harvie-Brown, J. A. (John Alexander), 1844-1916 . Genre Birds / Europe, Northern / Europe, Northern / Description and travel / Valdres (Norway) and 1 more . Names wood / rock / afrochlus harrisoni b / sea / island and 1406 more