Book 4,791 Thesis 361 Electronic 73 Serial 68 Journal 45 Book Chapter 32 Unknown 10 Conference Proceeding 4 Musical Score 1 see all ...

Q - Science 1,595 B - Philosophy, Psychology, Religion 246 P - Language and Literature 159 D - World History 132 S - Agriculture 117 T - Technology 100 Z - Library Science 95 N - Fine Arts 66 R - Medicine 61 K - Law 52 H - Social Science 42 G - Geography, Anthropology, Recreation 39 L - Education 35 M - Music 26 A - General Works 18 F - General American History 16 J - Political Science 16 U - Military Science 13 C - Historical Sciences 5 E - United States History 3 V - Naval Science 1 see all ...

Engler, Adolf, 1844-1930 168 Wundt, Wilhelm Max, 1832-1920 92 Ostwald, Wilhelm, 1853-1932 87 Engelmann, Wilhelm, 1808-1878 79 Oettingen, A. v (Arthur), 1836-1920 67 Weber, Georg, 1808-1888 53 Schleiden, M. J (Matthias Jacob), 1804-1881 52 Pax, Ferdinand, 1858-1942 50 Hartung, J. A (Johann Adam), 1801-1867 43 Edgar Fahs Smith Memorial Collection (University of Pennsylvania) 39 Gervinus, Georg Gottfried, 1805-1871 39 Gauss, Carl Friedrich, 1777-1855 38 Kölliker, Albert, 1817-1905 36 Harms, Hermann, 1870- 32 Wangerin, A (Albert), 1844-1933 32 Hoffmann von Fallersleben, August Heinrich, 1798-1874 31 Sachs, Julius, 1832-1897 31 Gegenbaur, C (Carl), 1826-1903 30 Groth, P (Paul), 1843-1927 30 Spiegel, Fr (Friedrich), 1820-1905 30 Wille, N (Nordal), 1858-1924 30 Enslin, Theodor Christian Friedrich, 1787-1851 29 Kowalewski, Gerhard, 1876-1950 26 Lindau, Gustav, 1866-1923 26 Prantl, K (Karl Anton Eugen), 1849-1893 26 Potonié, H (Henry), 1857-1913 25 Roux, Wilhelm, 1850-1924 25 Overbeck, Johannes Adolf, 1826-1895 23 Kölliker, Albert, 1817-1905 22 Naumann, Carl Friedrich, 1797-1873 22 see all ...

German 4,714 English 161 Latin 104 French 76 Undetermined 60 Ancient Greek 37 Italian 26 Greek 7 Swedish 7 Arabic 6 Ancient Egyptian 4 Dutch 4 Middle High German 4 Multiple 4 Russian 4 Danish 3 Hebrew 3 Norwegian 3 Pahlavi 3 Spanish 3 Catalan 2 Persian 2 Sanskrit 2 Turkish 2 Aramaic 1 Avestan 1 Czech 1 Old Persian 1 Portuguese 1 Western Frisian 1 see all ...

Bibliography 132 Academic theses 116 Electronic books 87 History 85 Bibliographies 64 Periodicals 58 Thèses et écrits académiques 52 Criticism, interpretation, etc 47 Academic Dissertation 43 Hochschulschrift 36 Catalogs 32 Early works 32 Classification 28 Tables 27 Dictionaries 23 Early works to 1800 22 Biography 18 Observations 16 Biographies 13 Fiction 13 Correspondence 11 Early works to 1850 11 Pre-Linnean works 11 Laboratory manuals 10 Tables (Data) 10 Guidebooks 8 Imprints (Wilhelm Engelmann) 8 Sources 8 Einführung 7 Festschriften 7 see all ...

19th century 28 1749-1832 17 18th century 13 1564-1616 10 1724-1804 7 1800-1899 7 Early works to 1800 7 1776-1861 6 1700-1799 5 1800 - 1899 5 1769-1821 4 1777-1855 4 1809-1882 4 1815-1848 4 1817-1905 4 1842-1922 4 1851-1914 4 Cretaceous 4 Early modern, 1500-1700 4 Early works to 1850 4 Wars of Independence, 1806-1830 4 Wars of Independence, 1810-1821 4 1596-1650 3 1632-1677 3 1720-1788 3 1724-1803 3 1754-1838 3 1768-1834 3 1769-1859 3 1772-1823 3 see all ...

Germany 165 Greece 53 Italy 51 Leipzig (Germany) 40 Europe 36 Pompeii (Extinct city) 30 Egypt 24 Naples, Bay of 23 Mediterranean Sea 19 Bay of Naples 15 Saxony 15 Indonesia 14 Switzerland 13 Great Britain 10 Prussia 10 Africa 9 Austria 9 Java 8 Leipzig 8 Asia 7 China 7 Iceland 7 South America 7 Alps 6 France 6 India 6 Mexico 6 Peru 5 Portugal 5 Russia 5 see all ...