Book 16,956 results 16,956 Government Document 3,685 results 3,685 eBook 3,677 results 3,677 Microform 980 results 980 Serial 515 results 515 Journal 289 results 289 Conference Proceeding 75 results 75 Thesis 37 results 37 Manuscript 6 results 6 Book Chapter 3 results 3 Database 2 results 2 Video 2 results 2 Audio 1 results 1 Map 1 results 1 Reference Material 1 results 1 Software 1 results 1 see all…

ProQuest (Firm) 2,047 results 2,047 Library of Congress. Congressional Research Service 1,947 results 1,947 Geological Survey (U.S.) 272 results 272 Library of Congress. Legislative Reference Service 270 results 270 National Library of Medicine (U.S.) 212 results 212 United States. Department of the Interior 200 results 200 NetLibrary, Inc 185 results 185 United States. Bureau of Mines 114 results 114 United States. Office of Education 111 results 111 Library of Congress 98 results 98 Kenton, Charlotte 87 results 87 Smithsonian Institution 81 results 81 United States. Bureau of Agricultural Economics 79 results 79 National Agricultural Library (U.S.) 66 results 66 Library of Congress. Division of Bibliography 63 results 63 United States. Bureau of Public Roads 63 results 63 CITE (Austin, Tex.) 57 results 57 Rand Corporation 57 results 57 Shapiro, Sherry 44 results 44 United States. Bureau of the Census 40 results 40 United States. Department of Energy 39 results 39 National Institutes of Health (U.S.) 37 results 37 United States. Congress. Senate 36 results 36 United States. Department of Commerce 36 results 36 Bowers, Jean 31 results 31 North Texas State University. Center for Community Services 31 results 31 United States. Forest Service 31 results 31 Howe, Robert, 1946- 30 results 30 International Cancer Research Data Bank 29 results 29 Smith, Myron J. 29 results 29 see all…

English 19,984 results 19,984 Spanish 556 results 556 French 424 results 424 German 361 results 361 Russian 263 results 263 Portuguese 97 results 97 Multiple 79 results 79 Italian 71 results 71 Czech 64 results 64 Latin 49 results 49 Polish 45 results 45 Ukrainian 27 results 27 Slovak 18 results 18 Chinese 13 results 13 Dutch 13 results 13 Croatian 12 results 12 Bulgarian 10 results 10 Hungarian 10 results 10 Japanese 8 results 8 Serbian 8 results 8 Undetermined 8 results 8 Arabic 7 results 7 Danish 6 results 6 Lithuanian 6 results 6 Norwegian 6 results 6 Macedonian 5 results 5 Swedish 5 results 5 Catalan 3 results 3 Hebrew 3 results 3 Indonesian 3 results 3 see all…

United States 3,097 results 3,097 Great Britain 412 results 412 Texas 289 results 289 Canada 239 results 239 Soviet Union 188 results 188 Latin America 184 results 184 Mexico 152 results 152 England 131 results 131 Africa 121 results 121 France 121 results 121 West (U.S.) 110 results 110 Europe 108 results 108 Developing countries 107 results 107 North America 102 results 102 California 101 results 101 Spain 91 results 91 China 87 results 87 Germany 85 results 85 Japan 83 results 83 Southern States 76 results 76 America 69 results 69 Alaska 61 results 61 Brazil 60 results 60 India 53 results 53 Ireland 50 results 50 New Mexico 48 results 48 Caribbean Area 47 results 47 Italy 47 results 47 Middle East 47 results 47 Southwest, New 47 results 47 see all…