Britannica, Inc.; 144: MPI/Getty Images; 145: © Corbis; 146: Scott
Sinklier/Corbis; 148: ©W. Buss/DeA Picture Library; 149: Chris
Lisle/Corbis; 150: © Jacques Pavlovsky/Corbis; 151: © Spectrum
Colour Library/Heritage-Images; 153: Ramzi Haidar—AFP/Getty
Images; 155: (left) © Glen Allison/Getty Images, (right) © A. Attini—
IGDA/DeA Picture Library; 157: (left) Phillippe Clement/Nature
Picture Library, (right) © Bo Zaunders/Corbis; 158: Erich Lessing/Art
Resource, New York; 159: Werner Forman/Art Resource, New York;
160: Nativestock Pictures; 161: (left) George Steinmetz/Corbis, (right)
Jim Richardson/Corbis; 162: age fotostock/SuperStock; 163: Judie
Anderson/EB Inc.; 164: Reuters/Corbis; 165: Viviane Moos/Corbis;
166: (top) Tibor Bognar/Corbis, (bottom) Glen Allison/Getty Images;
167: (top) Encyclop.dia Britannica, Inc., (bottom) age
fotostock/SuperStock; 168: age fotostock/SuperStock; 169: Paul A.
Souders/Corbis; 170: Gary Cralle—The Image Bank/Getty Images;
171: age fotostock/SuperStock; 172: Ted Spiegel/Corbis; 173: Gunter
Rossenbach—zefa/Corbis; 175: © Susan Rosenthal/Corbis.
Volume 7
Page 4: Leonard Lee Rue III; 5: (top) Philip Gould/Corbis, (bottom)
Library of Congress,Washington, D.C.; Page 6: (inset) Library of
Congress,Washington, D.C.; 7: © Dennis Brack/Black Star; 8: Carol
Farneti-Foster—Taxi/Getty Images; 9: Chris Lisle/Corbis; 10: Dorling
Kindersley/Getty Images; 11: MPI/Getty Images; 12: © Corbis;
13: Charles and Josette Lenars/Corbis; 15: (left) Frank Carter—Lonely
Planet Images/Getty Images, (right) Frank Kletschkus—
BRITANNICA STUDENT ENCYCLOPEDIA Credits 297
ImageState/Alamy; 16: Robert Holmes/Corbis; 17: White House
Collection,Washington, D.C; 18: (inset) White House Collection,
Washington, D.C.; 19: Kelley McCall/AP; 20: (left) Danny
Lehman/Corbis, (right) NASA Marshall Space Flight Center;
21: Richard T. Nowitz/Corbis; 22: © Eye Ubiquitous/Corbis;
23: Karin Kohlberg—Stone/Getty Images; 24: (left) Tim
Graham/Getty Images, (right) Frederick Ayer III/Photo Researchers,
Inc.; 25: Archivo Iconografico, S.A./Corbis; 26: (top and bottom, inset)
Library of Congress,Washington, D.C.; 27: Branger—Roger
Viollet/Getty Images; 28: White House Collection; 29: (inset) Arnold
Newman/Getty Images; 30: © Andrew D. Berstein—NBAE/Getty
Images; 31: The Granger Collection, New York; 32: (left) Hulton
Getty/Stone, (right) Bettmann/Corbis; 34: (left) Tim Graham/Corbis,
(right) © Spectrum Colour Library/Heritage-Images; 35: Andrew D.
Bernstein—© 1987 NBAE/Getty Images; 36: Georg Gerster/Photo
Researchers, Inc.; 37: David H.Wells/Corbis; 38: © Richard T.
Nowitz/Corbis; 39: © The Image Bank/Getty Images; 40: Ingmar
Holmasen; 41: NASA/JPL/University of Arizona; 43: (top) David
Guttenfelder/AP, (bottom) George Eastman—Nickolas Muray/Getty
Images; 44: © Anthony Bannister/Animals Animals; 46: Warren
Garst/Tom Stack & Associates; 47: David R. Frazier/Photo Researchers,
Inc.; 48: Richard Cummins/SuperStock; 49: The Granger Collection,
New York; 50: (left) John Noble/Stone, (right) © Michael Freeman—
Digital Vision/Getty Images; 51: © Corbis; 52: © Giansanti Gianni—
Corbis/Sygma; 53: (left) © Bettmann/Corbis, (right) Library of
Congress,Washington, D.C.; 54: White House Collection; 55: (inset)
Hulton Archive/Getty Images; 56: Kevin R. Morris—Stone/Getty
Images; 57: Glen Allison—Stone/Getty Images; 58: Brian Seed from
TSW—CLICK/Chicago; 59: James P. Rowan; 60: The Granger
Collection, New York; 61: Eric Wheater—Lonely Planet Images/Getty
Images; 62: Ann Ronan Picture Library/Heritage-Images; 63: Shostal
Associates; 64: Heinrich Van Den Berg—Gallo Images/Getty Images;
65: Bruce Golden—Photonica/Getty Images; 66: Bettmann/Corbis;
67: (left) Bernard Castelein/Nature Picture Library, (right) The Granger
Collection, New York; 68: RolfW. Hapke—zefa/Corbis; 69: Per-
Anders Pettersson/Getty Images; 70: Library of Congress,Washington,
D.C. (neg. no. LC-USZ62-126696); 71: George Steinmetz/Corbis;
72: Encyclop.dia Britannica, Inc.; 73: (left) Edward S. Curtis
Collection/Library of Congress,Washington, D.C. (neg. no. LCUSZ62-
115814), (right) Encyclop.dia Britannica, Inc.;
74: Giraudon/Art Resource, New York; 75: Snap Decision—
Iconica/Getty Images; 76: Anthony Mercieca—The National Audubon
Society Collection/Photo Researchers, Inc.; 77: Library of Congress,
Washington, D.C. (neg. no. LC-USZ61-119219); 78: (left) © Corbis,
(right) © Reuters/Corbis; 80: Lee Jin-man/AP; 81: © Hiroji
Kubota/Magnum Photos; 82: Alain Evrard—Robert HardingWorld
Imagery/Getty Images; 83: (left) © Corbis, (right) © Spectrum Colour
Library/Heritage-Images; 85: © MedioImages/Getty Images;
87: © Cloki/Shutterstock.com; 88: © JeremyWoodhouse/Getty
Images; 89: Rupert Conant—Impact Photos/Imagestate; 91: © Peter
Ryan—Robert HardingWorld Imagery/Getty Images; 92: Gary John
Norman—Impact Photos/Heritage-Images; 93: (left) Edward S. Curtis
Collection/Library of Congress,Washington, D.C. (neg. no. LCUSZ62-
52212), (right) Mark Adams—Taxi/Getty Images; 96: North
Wind Picture Archives; 97: Suprei—Reuters/Corbis; 98: Peter