Book 13,087 results 13,087 eBook 9,112 results 9,112 Government Document 2,857 results 2,857 Conference Proceeding 1,466 results 1,466 Journal 1,428 results 1,428 Thesis 984 results 984 Serial 564 results 564 Microform 374 results 374 Video 284 results 284 DVD 97 results 97 Database 73 results 73 VHS 32 results 32 Software 30 results 30 Blu-ray Disc 21 results 21 Electronic 19 results 19 CD 17 results 17 Audio 16 results 16 Manuscript 7 results 7 Map 6 results 6 Book Chapter 4 results 4 Photo 4 results 4 Kit 3 results 3 Globe 1 results 1 Slide 1 results 1 see all…

SpringerLink (Online service) 3,609 results 3,609 ProQuest (Firm) 925 results 925 NetLibrary, Inc 331 results 331 Library of Congress. Congressional Research Service 292 results 292 Geological Survey (U.S.) 229 results 229 ebrary, Inc 190 results 190 Taylor & Francis 154 results 154 EBSCOhost 144 results 144 Society of Photo-optical Instrumentation Engineers 124 results 124 ScienceDirect (Online service) 111 results 111 North Atlantic Treaty Organization. Scientific Affairs Division 99 results 99 Knovel (Firm) 79 results 79 Wiley InterScience (Online service) 71 results 71 JSTOR (Organization) 70 results 70 Kanopy (Firm) 69 results 69 United States. National Aeronautics and Space Administration 66 results 66 United States National Museum 65 results 65 Cambridge University Press 64 results 64 United States. Agricultural Research Service 62 results 62 Scripps Institution of Oceanography 54 results 54 National Water-Quality Assessment Program (U.S.) 51 results 51 Darwin, Charles, 1809-1882 50 results 50 United States. General Accounting Office 50 results 50 C.A.B. International 49 results 49 Royal Society of Chemistry (Great Britain) 48 results 48 Center for Biologics Evaluation and Research (U.S.) 46 results 46 United States. Government Accountability Office 46 results 46 United States. Environmental Protection Agency. Office of Research and Development 41 results 41 Ebook Library 40 results 40 Smithsonian Institution 40 results 40 see all…

English 24,004 results 24,004 French 363 results 363 German 354 results 354 Spanish 169 results 169 Russian 141 results 141 Portuguese 42 results 42 Italian 37 results 37 Undetermined 29 results 29 Japanese 25 results 25 Latin 18 results 18 Multiple 18 results 18 Dutch 11 results 11 Korean 9 results 9 Chinese 8 results 8 Norwegian 7 results 7 Czech 6 results 6 Arabic 4 results 4 Greek 4 results 4 Polish 4 results 4 Swedish 4 results 4 No linguistic content 3 results 3 Thai 3 results 3 Croatian 2 results 2 Slovak 2 results 2 Ukrainian 2 results 2 Afrikaans 1 results 1 Ancient Greek 1 results 1 Armenian 1 results 1 Austronesian 1 results 1 Azerbaijani 1 results 1 see all…

United States 1,310 results 1,310 Texas 156 results 156 California 96 results 96 Mexico, Gulf of 93 results 93 Great Britain 91 results 91 Pacific Ocean 67 results 67 Australia 63 results 63 Antarctic Ocean 56 results 56 North America 56 results 56 Antarctica 53 results 53 Soviet Union 53 results 53 Florida 51 results 51 Alaska 42 results 42 Canada 42 results 42 Tropics 41 results 41 England 39 results 39 Mexico 39 results 39 North Pacific Ocean 39 results 39 North Atlantic Ocean 37 results 37 Japan 36 results 36 Atlantic Ocean 32 results 32 Europe 32 results 32 Atlantic Coast (U.S.) 30 results 30 Pennsylvania 28 results 28 China 27 results 27 Germany 27 results 27 Washington (State) 27 results 27 Michigan 26 results 26 Northeastern States 26 results 26 France 25 results 25 see all…