Copyright 2022 by David Burns. All rights reserved. Illustrations and reading selections appearing in this work are taken from sources in the public domain and from private collections used by permission. Sources include: the Dover Pictorial Archive, the Library of Congress, The National Archives, The Hart Publishing Co., Corel Corporation and its licensors, Nova Development Corporation and its licensors, and others. Maps were created or adapted by the author using reference maps from the United States Geological Survey and Cartesia Software. Please see the home page for this title for more information.