72: (left) James Jackson—Stone/Getty Images, (right) Horticultural
Photography, Corvallis, Oregon; 73: © Corbis; 74: Jose Fuste
Raga/Corbis; 75: H.S. Knighton; 76: The Granger Collection, New
York; 78: AP; 79: Juda Ngwenya/Corbis; 80: The Granger Collection,
New York; 81: (left) Craig Lovell/Corbis, (right) © StockTrek/Getty
Images; 82: Justus Sustermans—The Bridgeman Art Library/Getty
Images; 83: © DeA Picture Library; 85: Bettmann/Corbis;
86: © Bettmann/Corbis; 87: (top) Ariel Skelley/Corbis, (bottom) Roy
Rainford—Robert HardingWorld Imagery/Getty Images; 88: Library
of Congress,Washington, D.C.; 89: (top, inset) Library of Congress,
Washington, D.C., (bottom) © Paul Almasy/Corbis; 90: Peter Carter;
91: UPI; 92: (left) Morev Valery—ITAR-TASS/Corbis, (right) Anthony
Bannister/EB Inc.; 93: Encyclop.dia Britannica, Inc.; 94: (left)
Encyclop.dia Britannica, Inc., (right) Photonica/Getty Images;
95: Courtesy of the National Palace Museum, Taipei, Taiwan, Republic
of China; 96: H & S Produktion/Corbis; 97: Ted S.Warren/AP;
100: Ann Ronan Picture Library/Heritage-Image; 102: (left)William
Manning/Corbis, (right) © Spectrum Colour Library/Heritage-Images;
104: (left) John H. Gerard, (right) © Michael & Patricia
Fogden/Corbis; 105: © G. Rossenbach/Corbis; 106: Jon Arnold
Images/SuperStock; 108: Library of Congress,Washington, D.C. (neg.
no. LC-USZ62-124428); 109: Encyclop.dia Britannica, Inc.;
110: Margaret Courtney-Clarke/Corbis; 111: John Moss/Photo
Researchers, Inc.; 113: (left) David Kjaer/Nature Picture Libary, (right)
Edmund Appel/Photo Researchers, Inc.; 115: Laurance B. Aiuppy—
Photographer’s Choice/Getty Images; 116: (left) © Animals Animals,
(right) Per Breiehagen—Photographer’s Choice/Getty Images;
117: © G. Dagli Ori/DeA Picture library; 118: Lynne Sladky/AP;
119: (left) Johner—Photonica/Getty Images, (right) Barry
Harcourt/Getty Images; 120: Bruce Forster—Stone/Getty Images.;
121: © R.T.Willbie/Animal Photography; 122: © Brian A. Vikander;
123: © Robert Pickett/Corbis; 124: The Granger Collection, New
York; 125: Robert Laberge/Getty Images; 126: David Cannon/Getty
Images; 127: (left) Jean-Marc Bouju/AP, (right) © Getty Images;
128: © Peter Turnley/Corbis; 129: © Gallo Images/Corbis; 130: Wally
Santana/AP; 131: Michael Paul—StockFood/Getty Images; 132: (left)
GregWahl-Stephens/AP, (right) MikeWintroath/AP; 133: William
Manning/Corbis; 134: Jerry Cooke/Corbis; 135: (top) Reportage/Getty
Images, (bottom) Martin Moos—Lonely Planet Images/Getty Images;
136: David Muench—Stone/Getty Images; 137: Library of Congress,
Washington, D.C.; 138: (inset) Library of Congress,Washington,
D.C.; 139: (left) Craig Lovell/Corbis, (right) Millard H. Sharp/Photo
Researchers, Inc.; 141: Patti McConville—The Image Bank/Getty
Images; 142: Earl L. Kubis/Root Resources; 143: (left) © Digital
Vision/Getty Images, (right) © David Muench/Corbis; 144: (left)
Sharon Montrose—The Image Bank/Getty Images, (right)
Encyclop.dia Britannica, Inc.; 145: Gary Bell—Taxi/Getty Images;
146: © Hulton Archive/Getty Images; 147: James L. Amos/Corbis;
149: (top) Keren Su/Corbis, (bottom) © G. Sioen—IGDA/DeA
Picture Library; 150: Archivo Iconografico/S.A./Corbis; 152: © Hans
Georg Roth/Corbis; 153: © Gail Mooney/Corbis; 154: © Spectrum
Colour Library/Heritage-Images; 155: Erich Lessing/Art Resource,
New York; 156: Erich Lessing/Art Resource, New York;
296 Credits BRITANNICA STUDENT ENCYCLOPEDIA
157: Encyclop.dia Britannica, Inc.; 158: © Layne Kennedy/Corbis;
159: Ted Streshinsky/Corbis; 161: © Doug Pensinger—Allsport/Getty
Images; 162: (left) Library of Congress,Washington, D.C., (right)
© Bettmann/Corbis; 163: Library of Congress,Washington, D.C.;
Edward S. Curtis Collection (Neg. No. LC-USZ62-59000); 164: Joe
McDonald/Corbis; 165: © IGDA—L. Romano/DeA Picture Library;
167: James Nelson—Stone/Getty Images; 168: IGDA/S.Gutierrez/DeA
Picture Library; 171: (left) Joe B. Blossom/EB Inc., (right) Chris
Jones/Corbis; 172: Library of Congress/Corbis; 174: Kazuhiro
Nogi/Getty Images; 175: Encyclop.dia Britannica, Inc.; 176: (left and
right) Encyclop.dia Britannica, Inc.
Volume 6
Page 4: Aflo/Nature Picture Library; 5: Judie Anderson/EB Inc.;
6: (left) Dave Bartruff/Corbis, (right) The Granger Collection, New
York; 7: Lothar Lenz/Corbis; 8: Connie Coleman—Stone/Getty
Images; 9: Pete Turner—The Image Bank/Getty Images; 10: (left) Ariel
Skelley/Corbis, (right) Courtesy of the National Gallery of Art,
Washington, D.C., Andrew Mellon Collection; 11: H. Reinhand—
zefa/Corbis; 12: Encyclop.dia Britannica, Inc.; 13: © Digital
Vision/Getty Images; 14: UPI—Bettmann/Corbis; 15: (left) Richard T.
Nowitz/Corbis, (right) The Granger Collection, New York; 16: Denny
Allen—Gallo Images/Getty Images; 17: Gavin Hellier—Robert
HardingWorld Imagery/Getty Images; 18: (top) Library of Congress,
Washington, D.C. (neg no. LC-USZ62-91485), (bottom, inset) Library
of Congress,Washington, D.C.; 19: The Granger Collection, New
York; 20: City of Harrisburg, PA., Office of the Mayor; 21: (top)
Library of Congress,Washington, D.C. (neg. no. LC-USZ62-134885),