Book 5,977 Conference Proceeding 341 Electronic 111 Serial 94 Journal 90 Thesis 77 Government Document 41 Book Chapter 29 Unknown 28 Map 7 Audio 4 Manuscript 3 Kit 2 see all ...

Council of Europe 95 ebrary, Inc 52 De Gruyter 47 Edward Potts Cheyney Memorial Fund 42 European Commission 40 ProQuest (Firm) 35 Commission of the European Communities 28 European Commission Directorate General for Research 28 Statistical Office of the European Communities 28 Geological Society of London 23 Council of Europe European Committee for the Conservation of Nature and Natural Resources 22 European Environment Agency 19 European Space Agency 19 William B. Provine Collection on Evolution and Genetics 19 Unesco 17 European Science Foundation 15 Feingold, Mordechai 15 Schimper, Wilhelm-Philippe, 1808-1880 15 Taylor & Francis 15 Dear, Peter, 1958- 14 Svensson, Lars, 1941- 14 Géroudet, Paul 13 Hollom, P. A. D (Philip Arthur Dominic) 13 Mountfort, Guy 13 Peterson, Roger Tory, 1908-1996 13 European Physical Society 12 International Geological Congress 11 Ray, John, 1627-1705 11 Tutin, T. G (Thomas Gaskell), 1908-1987 11 Alumni and Friends Memorial Book Fund 10 see all ...

English 3,872 German 1,268 French 871 Italian 234 Latin 179 Russian 126 Spanish 77 Dutch 60 Swedish 51 Polish 46 Danish 33 Multiple 32 Czech 19 Portuguese 16 Chinese 13 Japanese 13 Hungarian 10 Romanian 10 Undetermined 9 Slovak 8 Finnish 7 Arabic 6 Slovenian 6 Turkish 6 Ukrainian 6 Bulgarian 5 Belarusian 4 Greek 4 Croatian 3 No linguistic content 3 see all ...

History 887 Congresses 591 Conference papers and proceedings 460 Identification 366 Electronic books 337 Guidebooks 244 Field guides 218 Classification 190 Pictorial works 165 Biography 163 Periodicals 146 Biographies 109 Early works to 1800 61 Early works 59 Directories 56 Dictionaries 52 Statistics 45 Maps 44 Catalogs 38 Exhibitions 38 Correspondence 34 Aufsatzsammlung 33 Bibliography 33 Catalogs and collections 33 Academic theses 31 Exhibition catalogs 29 Pre-Linnean works 25 Thèses et écrits académiques 25 Congress 24 Terminology 24 see all ...

17th century 197 18th century 175 19th century 130 20th century 86 16th century 84 1700-1799 65 1600-1699 61 Pleistocene 52 Quaternary 49 Tertiary 49 1900-1999 42 1800-1899 40 To 1500 39 Paleozoic 38 Jurassic 35 From 2 million years ago 32 Cretaceous 31 From 10 thousand to 2 million years ago 31 1600 - 1699 30 1600-1799 30 From 2 to 65 million years ago 30 1642-1727 29 From 140 to 190 million years ago 28 Carboniferous 27 1500-1699 25 1564-1642 25 1500-1599 24 1700-1899 23 Holocene 23 1700 - 1799 22 see all ...