Llyfr 9,165 Dogfen y Llywodraeth 992 Cyfresol 402 Cylchgrawn 267 Trafodyn Cynhadledd 105 Electronig 84 Anhysbys 36 Traethawd Ymchwil 34 Pennod Llyfr 18 Llawysgrif 5 Map 4 Cit 3 Llun 3 Sgôr Cerddorol 1 Gweld pob un ...

S - Amaethyddiaeth 9,915

U.S. Fish and Wildlife Service 387 United States Bureau of Commercial Fisheries 143 Roosevelt, Theodore, 1858-1919 134 United States Bureau of Sport Fisheries and Wildlife 105 U.S. Army Engineer Waterways Experiment Station Coastal Ecology Group 95 National Wetlands Research Center (U.S.) 62 United States Bureau of Biological Survey 60 Fairman Rogers Collection (University of Pennsylvania) 56 Wildlife Society 53 Herbert, Henry William, 1807-1858 51 United States Congress. House. Select Committee on Conservation of Wildlife Resources 45 United States Bureau of the Census 41 U.S. Fish and Wildlife Service Region 7 40 National Coastal Ecosystems Team (U.S.) 39 Markham, Gervase, 1568?-1637 37 Canadian Wildlife Service 35 Grinnell, George Bird, 1849-1938 35 Reeve Collection (Athenaeum of Philadelphia) 35 United States Department of Agriculture 34 U.S. Fish and Wildlife Service Division of Federal Aid 33 Frederick II, Holy Roman Emperor, 1194-1250 30 Tilander, Gunnar, 1894-1973 30 Wisconsin Department of Natural Resources 28 Corbett, Jim, 1875-1955 27 Wildlife Management Institute 27 Hawker, Peter, 1786-1853 25 St. Martin's Press/Tor Archive (Brown University) 25 Cox, Nicholas, active 1673-1721 24 Gillmore, Parker 23 ebrary, Inc 23 Gweld pob un ...

English 8,257 French 431 German 387 Spanish 201 Russian 124 Italian 93 Arabic 70 Latin 62 Japanese 52 Swedish 41 Norwegian 36 Portuguese 36 Polish 35 Thai 34 Dutch 30 Chinese 23 Afrikaans 22 Danish 20 Turkish 20 Hindi 18 Czech 17 Urdu 17 Hungarian 16 Persian 16 Bengali 12 Finnish 12 Romanian 9 Old French 7 Undetermined 7 Ancient Greek 6 Gweld pob un ...

Periodicals 455 History 404 Early works to 1800 341 Biography 314 Anecdotes 219 Early works 178 Biographies 171 Electronic books 158 Congresses 136 Dictionaries 102 Conference papers and proceedings 93 Statistics 92 Bibliography 79 Pictorial works 74 Autobiographies 62 Guidebooks 44 Fiction 43 Directories 41 Handbooks, manuals, etc 34 Humor 33 Juvenile literature 31 Advertisements 27 Bibliographies 27 Broadsides 27 Catalogs 24 Exhibitions 21 Outdoor books 21 Personal narratives 19 Terminology 19 Diaries 18 Gweld pob un ...

Early works to 1800 98 19th century 91 20th century 66 1858-1919 41 17th century 39 To 1500 29 1800-1899 25 1900-1999 23 1875-1955 19 18th century 16 James I, 1603-1625 14 16th century 12 1851-1917 12 1331-1391 11 1194-1250 10 1952- 8 19e siècle 8 Charles I, 1625-1649 8 1800-1999 7 1820-1866 7 1940- 7 1951- 7 British occupation, 1765-1947 7 Middle English, 1100-1500 7 1886-1946 6 1947- 6 19e siècle 6 15th century 5 1820- 5 1821-1890 5 Gweld pob un ...

United States 1,115 Great Britain 371 Africa 329 India 312 North America 280 England 249 Alaska 216 South Africa 140 Canada 139 Wisconsin 129 Africa, East 128 France 126 West (U.S.) 107 Germany 100 California 99 Spain 89 Russia (Federation) 70 Kenya 65 Scotland 64 Pennsylvania 62 New York (State) 60 Japan 57 Colorado 54 Europe 53 Tanzania 53 Texas 53 Zimbabwe 53 Italy 51 Southern States 51 Ireland 47 Gweld pob un ...