Collection, New York; 69: (left) © Tom Stewart/Corbis, (right) Fox
PhotosHulton Archive/Getty Images; 70: National ArchivesTime
Life Pictures/Getty Images; 71: AFP/Getty Images; 72: (left)
Encyclop.dia Britannica, Inc., (right) Tim Graham Picture Library/AP;
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Corbis/Sygma, (right) Alfo/Nature Picture Library; 76: © Norbert
Schaefer/Corbis; 77: Encyclop.dia Britannica, Inc.; 78: © Lightscapes
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© Oliver Strewe/Getty Images; 80: (left) Encyclop.dia Britannica, Inc.,
(right) © Joe McDonald/Corbis; 81: Misha Japaridze/AP; 82: (left)
Encyclop.dia Britannica, Inc., (right) Layne Kennedy/Corbis; 83: Niall
Benvie/Nature Picture Library; 84: © Joe McDonald/Corbis; 85: Paul
ChesleyStone/Getty Images; 86: Library of Congress,Washington,
D.C.; 87: (left) © S. SolumPhotoLink/Getty Images, (right)Walter
Jaffe/Leiden Observatory, Holland Ford/JHU/STScI, and NASA;
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of New York/Getty Images; 90: © Didrik Johnck/Corbis; 91: Rainer
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der MeerStone/Getty Images, (right) Encyclop.dia Britannica, Inc.;
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99: © Glen AllisonPhotographers Choice/Getty Images; 100: (left)
© Krzysztof DydynskiLonely Planet Images/Getty Images, (right)
© Troy MabenAP; 101: NorthWind Picture Archives; 102: © Jorge
SilvaReuters/Corbis; 103: AlisonWright/Corbis; 104: U.S. Air
Force/Getty Images; 105: U.S. Air ForceTime Life Pictures/Getty
Images; 106: (left) Dr. Don FawcettVisuals Unlimited/Getty Images,
(right) Encyclop.dia Britannica, Inc.; 107: © Michael
Nicholson/Corbis; 108: (left) Kari Ammann/Nature Picture Library,
(right) David R. Frazier/Photo Researchers, Inc.; 109: (left)
mediacolors/Alamy, (right) Frederic NeemaCorbis/Sygma;
110: (top) Archivo Iconografico, S.A./Corbis, (bottom) © Jason
EdwardsNational Geographic/Getty Images; 111: The Granger
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Harvey/Shutterstock.com; 115: (left) David HiserStone/Getty
Images, (right) Lynda Richardson/Corbis; 116: Paul A. Souders/Corbis;
117: © Spectrum Colour Library/Heritage-Images; 118: John
GichigiReportage/Getty Images; 119: Encyclop.dia Britannica, Inc.;
120: The Granger Collection, New York; 121: Will and Deni
McIntyre/Photo Researchers, Inc.; 122: Encyclop.dia Britannica, Inc.;
123: George Holton/Photo Researchers, Inc.; 124: (left) © Anders
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Images; 127: Andre Penner/AP; 128: M. Bertinetti/DeA Picture
Library; 129: (left)Winfred EversPhotonica/Getty Images, (right)
Fraser HallRobert HardingWorld Imagery/Getty Images;
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Library, (right) Bettmann/Corbis; 136: Library of Congress,
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FreemanDigital Vision/Getty Images; 139: (top) Stock
BRITANNICA STUDENT ENCYCLOPEDIA Credits 293
Montage/Getty Images, (bottom, inset) Library of Congress,
Washington, D.C.; 140: Sandro Vannini/Corbis; 141: David Noton
Taxi/Getty Images; 142: Kurt Stier/Corbis; 143: © Oleg
Nikishin/Getty Images; 144: (left) Paul ChesleyStone/Getty Images,
(right) Milt and Joan Mann/Cameramann International;
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Photo, (bottom, inset) The White House, Eric Draper/AP; 158: Jim
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Volume 3
Page 5: (left) The Granger Collection, New York, (right) Carlo
BevilacquaScala/Art Resource, New York; 6: Grant Heilman
Photography; 7: (left) Bill Haber/AP, (right) Alinari/Art Resource, New
York; 9: Robert Holmes/Corbis; 10: Archivo Iconografico, S.A./Corbis;
12: (top) © TrevorWoodStone/Getty Images, (bottom) © Roberto
GeromettaLonely Planet Images/Getty Images; 14: The Granger
Collection, New York; 15: Toru YamanakaAFP/Getty Images;
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Associates; 18: Roger SpoonerTaxi/Getty Images; 19: (left) © George
HoltonThe National Audubon Society Collection/Photo
Researchers, (right) © Mickey Gibson/Animals Animals;
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Choice/Getty Images; 22: Salmer/PlessnerKeystone; 23: © Ron and
Patty ThomasTaxi/Getty Images; 25: Yves MarcouxFirst
Light/Getty Images; 27: CP/AP; 28: (left) © Ted Streshinsky/Corbis,
(right) Encyclop.dia Britannica, Inc.; 29: (left) Eric Hosking, (right)
© TimeWimborneReuters/Corbis; 30: Encyclop.dia Britannica,
Inc.; 31: © Paul EdmondsonThe Image Bank/Getty Images;
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EhlersStone/Getty Images; 33: © Frances Linzee GordonLonely
Planet Images/Getty Images; 34: Michael GreccoWorkbook
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Digital Vision/Getty Images; 37: © Neil Beer/Corbis; 38: (left) Stephen
Collins, (right) Encyclop.dia Britannica, Inc.; 39: Encyclop.dia
Britannica, Inc.; 40: (left) Encyclop.dia Britannica, Inc., (right) Bob
Krist/Corbis; 41: © Philip CoblentzDigital Vision/Getty Images;
42: (left) Neo VisionPhotonica/Getty Images, (right)Wolfgang
Kaehler/Corbis; 43: The Granger Collection, New York; 44: (left) Dan
Burton/Nature Picture Library, (right) Library of Congress,
Washington, D.C. (neg. no. LC-DIG-cwpbh-00514); 45: Glen
Allison/Getty Images; 46: (top) Courtesy Jimmy Carter Library,
(bottom, inset) The Carter Center; photograph, Billy Howard; 47: Jim
Cole/AP; 49: Ted Streshinsky/Corbis; 50: Courtesy of the Tuskegee
Institute, Alabama; photograph, P.H. Polk; 53: Encyclop.dia
Britannica, Inc.; 54: © Gavin HellierRobert HardingWorld
Imagery/Getty Images; 55: (left) © Rafael Perez/Corbis, (right) Craig
Lovell/Corbis; 56: (second from top) ©Walter Chandoha, (others) ©
Chanan Photography; 57: (sixth from top) © Marc Henrie, (others) ©
Chanan Photography; 58: © Mimmo Jodice/Corbis; 59: Encyclop.dia
Britannica, Inc.; 60: Jurgen Freund/Nature Picture Library; 61: (left)
Connie ColemanPhotographers Choice/Getty Images, (right)
© Corbis; 62: Laurance B. AiuppyTaxi/Getty Images;
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Washington D.C.; 65: Paolo Koch/Photo Researchers, Inc.;
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68: (left) The Bridgeman Art Library/Getty Images, (right) Lester
LefkowitzThe Image Bank/Getty Images; 69: David