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All photographs
belong to Holt, Rinehart and Winston, Inc., by Sam Dudgeon except:
Bill Hubbell/HRW
Corbis Images
Digital Imagery® copyright PhotoDisc, Inc.
Digital Vision Ltd.
Eyewire Inc.
European Communities©
Elephant Productions/HRW
John Foxx images
John Langford/HRW
Library of Congress
Marty Granger/HRW
Michael Paras/International Stock
Michael Young/HRW
Penni Gladstone/Outline Press
Photodisc, Inc.
Sergio Purtell/HRW
Top Drawer Productions/HRW
EclectiCollections: Mary, Queen of Scots image
Photographs of Robert Frost, Martin Luther King, Jr., courtesy Library of Congress
Photographs of Anne Frank, Edgar Allan Poe, E. E. Cummings, and Shakespeare,
courtesy New York Public Library
Environmental Science
Bird, tree frog, walrus, sunflower, crowd, tiger, desert sky, atmosphere,
Hong Kong, penguins, forest, river, pelican, Washington DC photographs courtesy
Digital Stock Corp. Fish, Peru, cupped hand, earth, people in field, market,
terrace farming, power, windmill, waste barrel, leaves, desert photographs ©1998
Photodisc, Inc. Maps courtesy Mountain High Maps® ©1995
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Social Studies
NARA Images: Courtesy of National Archives
Corbis Images
Digital Imagery, The PhotoDisc, Inc.
Digital Vision
Property of HRW/Library of Congress
30.10.H.259 United We Win-NARA Images: Courtesy of National Archives
30.70.C.011 Constitution-NARA Images: Courtesy of National Archives
615.00.D.003 Douglass, Frederic-NARA Images: Courtesy of National Archives
SPC0001A.JPG shuttle endeavor-Corbis Images
SS28013.JPG Grand Teton-Digital Imagery, The PhotoDisc, Inc.
013 CW military railroad-Corbis Images
505.00.040 Map-Digital Imagery, The PhotoDisc, Inc.
168128A.JPG multicultural teens-Digital Vision
TRN0024B.JPG transportation-Corbis Images
OS43088.JPG sextant-Digital Imagery, The PhotoDisc, Inc.
FA03047.TIF the Americas-HRW Photo by Sam Dudgeon
7.580 Farm workers children-Property of HRW/Library of Congress
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