By Ule, Otto Eduard Vincenz, 1820-1876 . Genre Cosmology . Names ba / ge / alle / na / age and 2729 more

By Zittel, Karl Alfred von, 1839-1904 / Eastman,Charles Rochester, 1868-1918 . Genre Paleontology / Mammals, Fossil / Vertebrates, Fossil / Invertebrates, Fossil . Names america / order / simple / class / area and 14014 more

By 1844-1930 . Names pax / folia / lanceolata / lata / euphorbiaceae and 5662 more

By Leuckart, Rudolf, 1823-1898 / 1845-1902 / 1852-1914 . Genre Pictorial works . Names la / zu / par / ge / sp and 3360 more

Genre Science / Periodicals . Names alle / str / op / par / ge and 4738 more

By Kolle, Wilhelm, 1868- / Wassermann, August von, 1866-1925 . Genre Micro-organisms, Pathogenic / Pathogenic bacteria . Names zu / ge / bacillus / sp / tuber and 10168 more

By Brefeld, Oscar, 1839-1925 . Genre Fungi . Names zu / sp / dies / sclerotium / coprinus and 1584 more

Genre Plants / Periodicals / Plants / Germany / Periodicals . Names zu / ge / alle / sp / ca and 4009 more

Genre Periodicals . Names zu / ge / sp / thorax / alle and 8008 more

By Bronn, H. G. (Heinrich Georg), 1800-1862 . Genre GermanyStuttgart . Names zu / alle / ge / chen / la and 4461 more